English words: spiraculum to spirogyra

300 English words, part 152 of 245 of the words starting with S, A to Z. 21 have a page of their own.

English words spiraculum to spirogyra

spiraculum noun: A spiracle.
spiradenoma noun: A cutaneous condition typically characterized as a solitary, deep-seated dermal nodule on the ventral surface of the body.
spiradoline noun: A highly selective κ-opioid agonist with analgesic, diuretic and antitussive effects.
spiraea noun: Alternative form of spirea.
spiraeic acid noun: a natural acid, found in the plant genus Spiraea (spirea)
spiral adjective, noun, verb /ˈspaɪɹəl/: A curve that is the locus of a point that rotates about a fixed point while continuously increasing its distance from that point.
spiral arm noun: A section of a spiral galaxy that coils out from the centre.
spiral-bound adjective: Alternative form of spiralbound.
spiral dance noun: A neo-pagan group dance emphasizing community and rebirth.
spiral DRAGN noun: a spiral galaxy which contains a DRAGN
spiral fries noun: Synonym of curly fries.
spiral galaxy noun: A galaxy consisting of a number of arms of younger stars that spiral out from the center containing older ones.
spiral ganglion noun: A mass of bipolar cell bodies occurring in the modiolus of the organ of Corti and giving off axons which comprise the cochlear nerve.
spiral ginger noun: A Costa Rican tropical plant distantly related to ginger, Costus barbatus, which is grown for its showy red flowerheads.
spiral nebula noun: a spiral-shaped nebula
spiral of Archimedes noun: A spiral that increases in distance from the point of origin at a constant rate.
spiral out verb: To have a panic attack; to be overcome by sadness, anxiety, etc.; to freak out
spiral pass noun: A long pass in American football or rugby in which the ball is given a brisk spin (about its longitudinal axis) as it is thrown so that it travels in a...
spiral pump noun: A type of centrifugal pump that utilizes a spiral-shaped impeller to move fluids.
spiral spring noun: A spring consisting of a wire, coiled usually in a flat spiral or in a helix.
spiral staircase noun: A staircase in the form of a helix, in any of several forms with or without a central pole (a newel).
spiral worm noun: A genus of tiny marine worms that attach to seaweeds and make a spiral shell.
spiral wrack noun: A species of seaweed, Fucus spiralis, living on the Atlantic coasts of Europe and North America.
spiralbound adjective: Bound with coil binding.
spiraler noun: A person or thing that spirals.
spiralglass noun: Any of grass species of the genus Tuctoria.
spirali noun: Pasta in the form of twisted tubes.
spiralian noun: Any animal belonging to the superphylum Spiralia, known for their spiral cleavage pattern.
spiraliform adjective: spiral-shaped
spiralin noun: A mycoplasmal membrane lipoprotein
spiraling noun, verb: Alternative form of spiralling.
spiralise verb: Alternative spelling of spiralize.
spiralised adjective: Alternative form of spiralized.
spiraliser noun: Alternative form of spiralizer.
spiralism noun: The tendency of employees to move and live in different places in line with their successive promotions.
spiralist noun: An employee who moves and lives in different places in line with their successive promotions.
spirality noun: The condition of being spiral.
spiralization noun: the act of forming into a spiral
spiralize verb: To form into a spiral.
spiralized adjective, verb: Formed into spirals
spiralizer noun: A culinary device that turns food into a spiral shape, like pasta.
spiraller noun: Alternative form of spiraler.
spirallike adjective: Having the characteristics of a spiral or spiral galaxy
spirallikeness noun: The property of being spirallike.
spiralling noun, verb: Movement in a spiral.
spirally adverb: In a spiral fashion.
spiralwise adjective, adverb: In a spiral shape or motion.
spiramide noun: A selective 5-HT2A, 5-HT1A, and D2 receptor antagonist.
spiramycin noun: A macrolide antibiotic used to treat toxoplasmosis.
spiran noun: Any of a class of bicyclic hydrocarbons in which a carbon atom has two single bonds in each of two rings; a form of spiro compound
spirangle noun: A shape like a triangle with lines working inwards like a spiral.
spiranic adjective: Of or pertaining to spiro compounds.
spirant noun /ˈspaɪəɹənt/: A non-sibilant fricative.
spirant mutation noun: Synonym of aspirate mutation.
spirantal adjective: Relating to a spirant or fricative.
spiranthy noun /spaɪˈɹænθi/: The occasional twisted growth of the parts of a flower.
spirantic adjective: Relating to a spirant or fricative.
spirantisation noun: Alternative spelling of spirantization.
spirantization noun /spaɪɹəntɪˈzeɪʃən/: The process of a consonant becoming a spirant (fricative) sound.
spirantize verb: To change (a consonant) to a spirant sound.
spiraperturate adjective: Having an aperture that is spiral in shape.
spirapril noun: An ACE inhibitor antihypertensive drug used to treat hypertension.
spiraprilat noun: The active metabolite of spirapril.
spiraster noun: In sponges, a short curved axial rod-like spicule with thick spines.
spirated adjective: spirally twisted
spiration noun: The act of breathing.
spiravirus noun: Any virus of the family Spiraviridae.
spiraxid noun: Any snail in the family Spiraxidae.
spire noun, verb /spaɪə/: The stalk or stem of a plant.
spirea noun: Any of the many flowering shrubs of the genus Spiraea, that have clusters of white or pink flowers.
spired adjective, verb: having a spire
spireless adjective: Without a spire.
spirelet noun: A small or slender spire.
spirelike adjective: Resembling a spire.
spirem noun: Alternative form of spireme.
spireme noun /ˈspaɪɹiːm/: The tangled mass of strands of chromatin seen in the early stages of mitosis, originally believed to be a single continuous strand (or two in a diploid...
spirendolol noun: A beta-adrenergic blocking drug.
spirene noun: An unsaturated spiran containing at least one double bond in one of the rings
spireward adjective, adverb: Toward a spire.
spirewise adjective, adverb: In the form of a spire.
spirgetine noun: An adrenergic drug.
spiric adjective, noun: Like a torus.
spiricle noun: One of certain minute coiled threads in the coating of some seeds.
spirifer noun: Any of numerous species of fossil brachiopods of the genera †Spirifer and †Delthyris and allied genera in order †Spiriferida, in which the long calcareous...
spiriferid noun: Synonym of spirifer.
spiriferinid noun: Any brachiopod of the family †Spiriferinidae.
spiriferoid noun: Synonym of spirifer.
spiriferous adjective: Of or relating to spirifers.
spiriform adjective: Of a spiral shape.
spirillar adjective: Resembling or relating to a spirillum.
spirillary adjective: Relating to Spirillum species.
spirillinid noun: Any foraminifera of the order Spirillinida.
spirilloid adjective: Relating to, or characteristic of bacteria of the genus Spirillum.
spirillosis noun: infection by Spirillum bacteria
spirilloxanthin noun: The carotenoid...
spirillum noun: Any of various aerobic bacteria of the genus Spirillum, having an elongated spiral form and bearing a tuft of flagella.
spirit noun, verb /ˈspɪɹɪt/: The soul of a person or other creature.
spirit animal noun: An animal spirit that guides, helps, or protects a person or group of people.
spirit away verb /ˈspɪɹ.ɪt əˌweɪ/: To remove without anyone's noticing.
spirit bear noun: Kermode bear.
spirit blue noun: A blue aniline dye used as an indicator in agar for detection of lipase activity in bacteria.
spirit board noun: Synonym of Ouija board (“lettered board for communication with spirits”).
spirit cabinet noun: A portable closet in which a medium would perform at a séance, often bound or restricted in some manner to illustrate that no trickery was taking place.
spirit child noun: A disabled child believed to possess magic powers that cause misfortune.
spirit communication noun: The practice of living humans purportedly speaking or otherwise communicating with spirits of deceased individuals, as through seances, mediums, etc.
spirit doctor noun: A spiritualist or medium.
spirit duck noun: A bufflehead (Bucephala albeola).
spirit duplicator noun: An early document copier using alcohol-based solvents.
spirit-filled adjective: controlled or directed by the Holy Spirit
spirit fingers noun: A cheerleading move with outstretched arms and fingers wiggling up and down.
spirit house noun: A small house- or temple-like structure mounted on a pillar at which offerings are made to a local deity or protective spirit.
spirit lamp noun: A lamp that burns a volatile liquid fuel such as alcohol, ethanol or denatured alcohol.
spirit level noun: A tool employing a chamber with a colored liquid (usually alcohol, hence spirit) and an air bubble, used to determine a horizontal or vertical reference line.
spirit man noun: Used other than figuratively or idiomatically: See spirit, man.
spirit marriage noun: Synonym of ghost marriage
spirit master noun: A two-ply sheet used in a spirit duplicator, in which the top sheet could be typed, drawn, or written upon, and the second sheet was coated with a layer of...
spirit molecule noun: Dimethyltryptamine.
spirit money noun: Synonym of joss paper.
spirit moose noun: A moose having white or cream coloured fur, which is a result of a genetic variation and not caused by albinism.
spirit of box noun: pyroxylic spirit.
spirit of Mindererus noun: An aqueous solution of acetate of ammonium, once used to treat fever.
spirit of nitre noun: Nitric acid.
spirit of salt noun: Synonym of hydrochloric acid.
spirit of the law noun: Either the intent behind a law's wording, or the reasonable effect that the law ought to be applied toward; the interpretation of the law towards the end of...
spirit of turpentine noun: Synonym of turpentine (“a volatile essential oil”).
spirit of vitriol noun: sulfuric acid
spirit of wine noun: Aqua vitae prepared by distilling wine.
spirit off verb: Synonym of spirit away.
spirit path noun: A spirit way.
spirit photographer noun: A person who engages in spirit photography.
spirit photography noun: The purported art of taking photographs of the spirits of dead people, other spiritual entities, ectoplasm, auras, and the like; a common practice in the...
spirit road noun: A spirit way.
spirit-room noun: A compartment on a vessel where spirits or casks are held.
spirit-stand noun: A stand for a pot, kettle, etc., that has an in-built spirit container below for keeping the contents of the pot heated.
spirit tablet noun: spirit tablet; ancestral tablet; memorial tablet (tombstone tablet with the name and details of the deceased or an ancestor inscribed on it, usually found...
spirit trumpet noun: A cone-shaped instrument by means of which spirits were supposed to speak during a séance.
spirit vinegar noun: Strong vinegar usually made from sugar cane.
spirit way noun: An ornate road leading to the Chinese tomb of a major dignitary.
spirit week noun: The week leading up to homecoming, during which school students dress up in unusual themed clothing.
spirit world noun: Synonym of spiritual world.
spiritally adverb: By means of the breath.
spiritdom noun: The sphere, realm, or world of the spirit; spirituality; spirits collectively.
spirited adjective, verb /ˈspɪɹɪtɪd/: Lively, vigorous, animated or courageous.
spiritedly adverb: In a spirited manner; with spirit; enthusiastically.
spiritedness noun: The property of being spirited, of having spirit.
spiriten verb: To endue, enliven, or raise the spirit of; liven.
spiriter noun: One who spirits away another, particularly one who steals children to be sold into forced labour in the New World.
spiritess noun: A female spirit.
spiritful adjective: Full of spirit; spirited.
spiritfully adverb: In a spiritful manner.
spiritfulness noun: The quality of being spiritful.
spirithood noun: The state, quality, or condition of a spirit.
spiritic adjective: Relating to a person's spirit, or to the spiritual world.
spiriting noun, verb /ˈspɪɹɪtɪŋ/: The action of a spirit or ghost.
spiritish adjective: Resembling a spirit in character, quality, or appearance; spiritlike; spiritly.
spiritism noun: Spiritualism.
spiritist noun: Spiritualist.
spiritistic adjective /spɪɹɪˈtɪstɪk/: Of or pertaining to, or associated, dealing, concerned, or connected with, spiritism (a.k.a. modern spiritualism); spiritualistic.
spiritization noun: The process or result of spiritizing.
spiritize verb: To imbue with a spirit or soul.
spiritlamp noun: Alternative form of spirit lamp
spiritland noun: Synonym of spiritual world.
spiritless adjective: Lacking energy, drive, motivation or emotion. Enervated.
spiritlessly adverb: In a spiritless manner.
spiritlessness noun: The state or quality of being spiritless.
spiritlike adjective: Resembling a spirit.
spiritling noun: A small, young, or inferior spirit; a ghostling.
spiritly adjective, adverb: Of, relating to, or resembling a spirit; spiritual; spiritlike.
spiritman noun: Alternative form of spirit man.
Spirito proper noun: A surname from Italian.
spiritoso adverb: In a lively or spirited manner
spiritous adjective /ˈspɪɹɪtəs/: spirituous
spiritousness noun: Quality of being spiritous.
spiritrompe noun: Synonym of haustellum (“sucking organ”).
spirits noun, verb /ˈspɪɹɪts/: Distilled alcoholic beverages.
spirits of hartshorn noun: A mixture of ammonia and water.
spirits of salt noun: Hydrochloric acid.
spirits of salts noun: Alternative form of spirit of salt.
spirits of wine noun: Ethanol.
spiritship noun: The state or condition of being a spirit.
spiritsome adjective: Characteristic of or possessing the qualities of a spirit; spiritlike.
spiritual adjective, noun /ˈspɪɹɪtʃʊəl/: Of or pertaining to the spirit or the soul.
spiritual awakening noun: A realization or inspiration about the connection with an entity or entities beyond the immediate and physical world, of "God" or other intangible, sacred...
spiritual bypass noun: Spirituality as avoidance of unresolved psychological issues.
spiritual bypassing noun: Alternative form of spiritual bypass.
spiritual desertion noun: The departure from the Christian faith or some branch of it.
spiritual healing noun: A form of alternative medicine in which spirits, normally of the dead, assist in curing the afflicted.
spiritual incest noun: The crime of cohabitation between persons who have a spiritual alliance by means of baptism or confirmation.
spiritual jazz noun: A subgenre of jazz that originated in the United States during the 1960s focusing on transcendence and spirituality.
spiritual leader noun: a person who gives religious or sacred leadership, though not necessarily the leader of a religious organization
spiritual midden noun: A hidden cache of objects (e.g. within the walls of a building) having some magical purpose.
spiritual naturalism noun: A worldview that reveres nature, without belief in the supernatural.
spiritual naturalist noun: A person who believes in spiritual naturalism.
spiritual plane noun: A plane of existence consisting of things that are spiritual.
spiritual sequel noun: A successor to a work of fiction which does not directly build upon the storyline established by a previous work as do most traditional prequels or sequels,...
spiritual violence noun: The persecution of a person or group on religious grounds, without actual physical violence.
spiritual warfare noun: The Christian concept of fighting against the work of preternatural evil forces, based on the biblical belief in demons or evil spirits.
spiritual world noun: The afterlife.
spiritualisation noun: Alternative form of spiritualization.
spiritualise verb: Alternative form of spiritualize.
spiritualiser noun: Alternative form of spiritualizer.
spiritualism noun /ˈspɪɹɪtjuəlɪzəm/: A doctrine, opposing materialism, that claims transcendency of the divine being, the altogether spiritual character of reality and the value of inwardness...
spiritualist adjective, noun: One who professes a regard for spiritual things only; one whose employment is of a spiritual character; an ecclesiastic.
spiritualistic adjective: Of, pertaining to, or characteristic of spiritualism.
spiritualistically adverb: In a spiritualistic manner.
spirituality noun /ˌspɪɹ.ə.t͡ʃuˈæl.ə.tɪ/: The quality or state of being spiritual.
spiritualization noun: The act of spiritualizing.
spiritualize verb: To make spiritual; to invoke spirituality.
spiritualizer noun: Someone who spiritualizes.
spiritually adverb: In a manner affecting, relating or pertaining to the spirit or the soul.
spiritualness noun: The quality or state of being spiritual or spiritual-minded; spirituality.
spiritualty noun: The state or fact of being spiritual; holiness, spirituality.
spirituelle adjective, noun: Showing great grace and delicacy.
spirituosity noun: The quality or state of being spirituous (of liquors).
spirituoso adverb: Synonym of spiritoso.
spirituous adjective: Of, pertaining to, containing, or made using alcohol.
spirituously adverb: In a spirituous manner.
spirituousness noun: The state or condition of being spirituous.
spiritus noun: A breathing.
spiritus asper noun: Synonym of rough breathing.
spiritus fumans noun: stannic chloride.
spiritus lenis noun: Synonym of smooth breathing.
spiritus mundi noun: The spirit, outlook, point of view, or social and cultural values characteristic of an era of human history.
spiritus rector noun /ˌspɪrᵻtᵿs ˈrɛktɔː/: A ruling or guiding spirit.
spiritweed noun: The perennial herb Eryngium foetidum.
spiritwise adverb: In terms of the spirit, or spirits.
spiritworld noun: Alternative form of spirit world.
spirity adjective: Full of spirit; spirited.
spirket noun: A space forward and aft between floor-timbers.
spirketing noun: The planking from the waterways up to the portsills.
spirketting noun: Alternative form of spirketing.
spirling noun: Alternative spelling of sperling.
spiro noun, prefix /ˈspɪɹəʊ/: A polycyclic compound or system that contains a single atom as the only common member of two rings.
spiro-annulated adjective: Describing two rings that are joined, via a single atom, to form a spiro compound.
spiro compound noun: Any polycyclic compound having a single atom (usually carbon) as the only common member of two rings.
spiroacetal noun: Any acetal in which the two ether groups are connected by a bridge
spiroadamantane noun: Any spiro compound derived from adamantane
spiroakyroside noun: A particular steroid glycoside.
spiroamine noun: A spiro compound that has a nitrogen atom adjacent to the spiro atom.
spiroannulated adjective: Alternative form of spiro-annulated.
spiroatom noun: The connecting atom in a spiro compound.
spiroazirine noun: A spiro compound, one of whose rings is an azirine
spirobacterium noun: Any bacterium found in spiral filaments, such as the genus Vibrio.
spirobolid noun: Any millipede in the order Spirobolida.
spiroceratid noun: Any extinct cephalopod in the family Spiroceratidae.
spirocercosis noun: Any disease caused by nematodes of the genus Spirocerca
spirochaetaemia noun: Alternative form of spirochetemia.
spirochaetaemic adjective: Alternative form of spirochetemic.
spirochaetal adjective: Alternative form of spirochetal.
spirochaete noun: Alternative spelling of spirochete.
spirochaetemia noun: Alternative form of spirochetemia.
spirochaetic adjective: Alternative form of spirochetic.
spirochaetosis noun: Alternative form of spirochetosis.
spirochetal adjective: Of or pertaining to a spirochete or spirochetes.
spirochete noun /ˈspaɪ.ɹəˌkit/: Any of several coiled bacteria of the order Spirochaetales, most of which are pathogenic to both humans and other animals.
spirochetemia noun: The (abnormal) presence of spirochetes in the blood
spirochetemic adjective: Relating to spirochetemia
spirochetic adjective: Relating to spirochetes.
spirocheticidal adjective /ˌspaɪroʊˌkitɪˈsaɪdəl/: Killing spirochetes.
spirocheticide noun: A substance that kills spirochetes.
spirochetocidal adjective /ˌspaɪroʊˌkitəˈsaɪdəl/: Alternative form of spirocheticidal.
spirochetocide noun: Alternative form of spirocheticide.
spirochetolysin noun: An agent (substance) that performs spirochetolysis, that is, one that lyses spirochetes.
spirochetolysis noun /ˌspaɪroʊkiˈtɒlɪsɪs/: The lysis (lysing) of spirochetes (of which the principal clinical relevance has been in treating various infectious diseases, including syphilis and...
spirochetolytic adjective /ˌspaɪroʊˌkitəˈlɪtɪk/: Lysing spirochetes.
spirochetosis noun: infection by spirochetes
spirochetostatic adjective /ˌspaɪroʊˌkitəˈstætɪk/: Inhibiting (curbing) spirochetal populations although not destroying them.
spirochetotic adjective: Relating to spirochetosis.
spirocheturia noun: The presence of spirochetes in the urine.
spirocyclase noun: Any enzyme that catalyses a spirocyclization reaction, especially the formation of a spiroketal
spirocycle noun: Any spirocyclic compound
spirocyclic adjective: Having the geometry of a spiro compound
spirocyclically adverb: In a spirocyclic manner; by means of a spirocycle
spirocyclization noun: cyclization to form a spiro compound
spirocyclobutane noun: A divalent radical in which a cyclobutane ring is fused to another ring at a single carbon atom, the two rings being more-or-less at right angles to one another
spirocycloheptane noun: A divalent radical in which a cycloheptane ring is fused to another ring at a single carbon atom, the two rings being more or less at right angles to one...
spirocyclohexane noun: A divalent radical in which a cyclohexane ring is fused to another ring at a single carbon atom, the two rings being more or less at right angles to one another
spirocyclononane noun: A divalent radical in which a cyclononane ring is fused to another ring at a single carbon atom, the two rings being more or less at right angles to one...
spirocyclooctane noun: A divalent radical in which a cyclooctane ring is fused to another ring at a single carbon atom, the two rings being more or less at right angles to one...
spirocyclopentane noun: A divalent radical in which a cyclopentane ring is fused to another ring at a single carbon atom, the two rings being more-or-less at right angles to one...
spirocyclopropane noun: A divalent radical in which a cyclopropane ring is fused to another ring at a single carbon atom, the two rings being more-or-less at right angles to one...
spirocyclopropyl noun: Synonym of spirocyclopropane.
spirocyst noun: Any protozoan of the genus Spirocystis
spirodiclofen noun: The acaricide and insecticide 3-(3,5-dichlorophenyl)-2-oxo-1-oxaspiro[4.5]dec-3-en-4-yl 2,2-dimethylbutanoate
spiroepoxide noun: A spiro compound in which a carbon atom of an epoxide ring is the only common member of two rings
spiroergometer noun: An ergometer used in spiroergometry
spiroergometric adjective: Relating to spiroergometry.
spiroergometry noun: ECG or EKG whilst the patient is exercising
spiroffite noun: A monoclinic-prismatic mineral containing manganese, oxygen, tellurium, and zinc.
spirofibrilla noun: Any of the spirally twisted hollow threads supposed to constitute all living protoplasm.
spirofilid noun: Any ciliate protozoan of the family Spirofilidae
spirofused adjective: fused so as to form a spiro compound
spirogermanium noun: An immunostimulant drug.
spiroglumide noun: A particular gastrin receptor antagonist.
spirogram noun: A graph of respiratory movement
spirograph noun: an instrument for measuring and recording the depth and rapidity of breathing movements
spirographic adjective: Using a spirograph
spirographically adverb: By means of a spirograph.
spirography noun: The measurement of breathing movements.
spirogyra noun: Any of a group of freshwater, filamentous green algae, of the genus Spirogyra, having chloroplasts arranged in spirals.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0): each word's first meaning. A word with a page of its own links to it; for the rest, this line is PlainSpell's entry. Total under S: 73,223 words, in 245 parts.