English words: protoelongate to protosexuality

300 English words, part 185 of 213 of the words starting with P, A to Z. 10 have a page of their own.

English words protoelongate to protosexuality

protoelongate noun: Any ribbed miter of the genus Protoelongata.
protoeruboside noun: A particular steroid glycoside.
protoescolex noun: protoscolex
protoethical adjective: Relating to protoethics.
protoeukaryote noun: A prokaryote that evolved into a eukaryote.
protofascism noun: Any political system that is showing the beginnings of fascism.
protofascist adjective, noun: Showing the beginnings of fascism.
protofeather noun: The hypothetical precursors of bird feathers, believed to have been grown by certain dinosaurs.
protofeathered adjective: Having protofeathers.
protofeminism noun: A philosophical tradition anticipating modern feminist concepts before their arrival.
protofeminist adjective, noun: Preceding but anticipating or laying the groundwork for feminism.
protofeudalism noun: Any social system preceding, and moving toward, later feudalism.
protofiber noun: The form of a spun plastic that forms into a fiber
protofibril noun: An elongated cluster of cells that grows into a fibril.
protofibrilic adjective: Synonym of protofibrillar.
protofibrillar adjective: Relating to protofibrils
protofibrillary adjective: Alternative form of protofibrillar.
protofibrillization noun: The formation of protofibrils
protofibrillogenesis noun: The formation and development of protofibrils
protofilament noun: A filament of polymerized tubulin in a cell, which becomes part of a microtubule
protoflexid noun: A flexid between the protoconid and the anterolabial conulid.
protoflexus noun: A flexus between the protocone and the anterolingual conule.
protoflight noun: A strategy where no test-dedicated qualification article exists and all production hardware is intended for flight.
protofluoride noun: Any of a series of fluorides of a particular metal that has the fewest atoms of fluorine per molecule
protoform noun: Synonym of urform (“basic or original form”).
protogalactic adjective: Pertaining to a protogalaxy.
protogalaxy noun: A cloud of gas which is starting to form a galaxy.
protogastric adjective: That covers the gastric area of brachyuran crabs
protogen noun: A fictional anthropomorphic (furry) cyborg with a robotic chest and thighs, and a visor screen upon which the creature's face is displayed.
protogenal adjective: primitive
protogeneous adjective: primogenial
protogenesis noun: abiogenesis
protogenetic adjective: protogenic
protogenic adjective: Of or pertaining to an early or original race or lineage; primitive.
protogenos noun: Any of the first order of deities to come into existence, according to Greek cosmogony.
protogeometric adjective: Of or relating to a style of Ancient Greek pottery led by Athens and produced between roughly 1030 and 900 BCE, decorated with purely abstract elements,...
protogine noun: A form of granite containing silvery flakes of talc or similar minerals.
protoglobin noun: A simple globin, found in some archaea, that can bind oxygen and carbon monoxide
protoglomerular adjective: Related to or composed of protoglomeruli.
protoglomerulus noun: A structure that develops into a glomerulus
protogospel noun: A hypothetical common gospel from which later gospels were derived.
protogracillin noun: A particular steroid glycoside.
protogrammar noun: A rudimentary grammar.
protograph noun: The original manuscript of a given text, from which all further copies derive.
Protogreek noun: Alternative form of Proto-Greek.
protogroup noun: A number of galaxies that become a galaxy group over time
protogrunge noun: Collectively, the music that influenced the later grunge movement.
protogynous adjective: Exhibiting protogyny.
protogynously adverb: In a protogynous manner.
protogyny noun: The condition in which an organism begins life as a female and then changes into a male.
protohaem noun: Alternative form of protoheme.
protohaemin noun: Alternative spelling of protohemin.
protohalo noun: The assemblage of material that coalesces to form a galactic halo
protoheme noun: A synonym for any of several hemes (followed by a letter)
protohemin noun: hemin
protoheterotheca noun: A simple heterotheca
protoheterothecal adjective: Relating to a protoheterotheca
protohistorian noun: One who studies protohistory.
protohistoric adjective: Of or pertaining to protohistory.
protohistorical adjective: Of or relating to protohistory.
protohistory noun: The period between prehistory and history, during which a culture or civilization has not yet developed writing, but other cultures have already noted its...
protohominid adjective, noun: Any of several primitive animals that were evolutionary ancestors of the hominids.
protohomosexual adjective: Relating to the early development of homosexuality, either in an individual or in society.
protohuman adjective, noun: Pertaining to the first humans or the beginning of humankind.
protohypericin noun: A polycyclic derivative of hypericin
protohypsodont adjective: That become hypsodont
protohypsodonty noun: The condition of being protohypsodont
protoiereus noun: Synonym of protopresbyter.
protoilludane noun: A particular sesquiterpene that is the basis of many natural products
protoimogolite noun: The precursor of an imogolite
protoindustrial adjective: Relating to the early beginnings of industrialization.
protoindustrialization noun: Alternative form of proto-industrialization.
protointron noun: A section of RNA that develops into an intron
protoiodide noun: Any of a series of iodides of a particular metal that has the fewest atoms of iodine per molecule
protoisoeruboside noun: A particular steroid glycoside.
protokaryotype noun: The earliest ancestor of a karyotype
protokylol noun: A ß-adrenergic receptor agonist used as a bronchodilator.
protolacteal adjective: Describing the secretion of the mammary glands of primitive mammals
protolang noun: A constructed ancestor language from which other naturalistic conlangs are descended (actually or retroactively).
protolanguage noun: Alternative form of proto-language.
protolerogenic adjective: That leads to tolerogenic activity
protolexicon noun: The lexicon of a protolanguage
protoliberal adjective, noun: Similar to liberalism, but before its establishment.
protolichesterinic acid noun: An acid found in some lichens.
protolimonoid noun: A precursor to a limonoid.
protolingual adjective: Of or relating to proto-language.
protolinguistic adjective: Relating to protolanguage or protolinguistics.
protolinguistics noun: The linguistics of protolanguages
protolipid noun: Alternative form of proteolipid.
protoliteracy adjective: The state of written language being in its early stages.
protoliterate adjective: With written language that is in its early stages.
protolith noun /ˈpɹoʊ.təˌlɪθ/: The original precursor of any specified metamorphic rock
protolithic adjective: Relating to a protolith.
protoliturgical adjective: Relating to an early or prototypical form of liturgy.
protolog noun: Alternative form of protologue.
protological adjective: Of or relating to protology.
protologically adverb: In a protological manner.
protologism noun /pɹəʊˈtɒləˌdʒɪzm/: A newly coined word or phrase defined in the hope that it will become common; a recently created term possibly in narrow use but not yet acknowledged.
protologist noun: The first person to describe a new species.
protologistic adjective: Of or pertaining to protologisms.
protologue noun /ˈpɹəʊtəʊlɒɡ/: All the original material associated with a newly published name, comprising its description or diagnosis and any of a number of other elements such as...
protology noun: The branch of theology pertaining to origins and first things.
protoloph noun: Any harvestman of the genus Protolophus
protolophid noun: Any harvestman of the family Protolophidae
protolophule noun: A small crest in the paraflexus, connected to the protocone.
protolophulid noun: A small crest in the mesoflexid, connected to the protoconid.
protolunar adjective: That will develop to form a moon
protolyse verb: Alternative form of protolyze.
protolysis noun /pɹə(ʊ)ˈtɒlɪsɪs/: Any proton-transfer reaction
protolytic adjective: Relating to protolysis.
protolyze verb: To cause or to undergo protolysis.
protoma noun: Alternative form of protome.
protomammal noun: Any evolutionary ancestor of the mammals.
protomammalian adjective: Relating to the protomammals.
protomartyr noun: Any of the first Christian martyrs.
protomartyrdom noun: The martyrdom of a protomartyr.
protomartyress noun: A female protomartyr.
protomatter noun: The ultimate basis of physical substance, before it has been given form.
protome noun: A decorative element, on ancient artefacts, based on the head of an animal or bust of a person.
Protomediterranean adjective: Alternative form of Proto-Mediterranean.
protomer noun: Any prototropic tautomer.
protomeric adjective: Describing a form of tautomerism in which the isomers differ only in the position of a hydrogen atom (proton).
protomerite noun: The posterior segment of a gregarine.
protometabolic adjective: Relating to protometabolism.
protometabolism noun: A series of linked chemical reactions, in a prebiotic environment, that has characteristics of true metabolism.
protometal noun: A style of music that was a precursor to heavy metal.
protomicrocotylid noun: Any monogenean in the family Protomicrocotylidae.
protominimalist adjective, noun: Belonging or pertaining to an early form of minimalism.
protomite noun: An immature or beginning form of a tomite.
protomitochondrial adjective: Relating to a protomitochondrion
protomitochondrion noun: The ancestral bacterial endosymbiont from which all mitochondria are thought to be derived
protomodern adjective: Of an earlier style approaching what is now modern.
protomodernism noun: A protomodern style.
protomodernist noun: One who uses a protomodern style.
protomodernity noun: The condition of being protomodern
protomolecule noun: A collection of unstably bound atoms that has the potential to form a molecule if the structure can shed sufficient energy.
protomont noun: An immature or beginning stage of a tomont.
protomorph noun /pɹoʊtoʊmɔː(ɹ)f/: Something that has the most primitive character; that which is in the earliest form.
protomorphic adjective: Having the most primitive character; in the earliest form of stage.
protomullet noun: A mulletlike hairstyle which is shorter than a full-fledged mullet or which preceded the popularization of the mullet in the 1980s.
protomylonite noun: A mylonite where most of the rock volume has not been ground into matrix and so contains its original texture.
protomyofibroblast noun: A structure that develops into a myofibroblast
protomyth noun: An initial form of a myth that is inferred or known about only from secondary sources; a motif that is not yet accorded the status of myth, but may (it is...
proton noun /ˈpɹəʊ.tɒn/: A positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element, composed of two up quarks...
proton beam noun: Synonym of ray gun.
proton capture noun: A nuclear reaction in which a proton is absorbed by a nucleus.
proton gun noun: Synonym of ray gun.
proton halo noun: A rare nuclear structure where a nucleus has a loosely bound halo of protons orbiting around its core, causing the nucleus to have a significantly larger...
proton number noun: The number of protons in an atom.
proton-proton chain noun: A series of thermonuclear reactions partly responsible for energy production in stars by converting hydrogen into helium.
proton pump noun: Any protein in the membrane of a cell or mitochondrion whose function is to move protons across the membrane and thus establish an electrochemical potential.
proton pump inhibitor noun: Alternative form of proton pump inhibitor.
proton therapy noun: A form of radiotherapy using a beam of protons to irradiate diseased tissue, most often to treat cancer.
proton transfer noun: A chemical reaction that involves the transfer of protons.
protonatable adjective: Able to be protonated
protonate verb: To add one or more protons to (a molecule, ion or radical).
protonation noun /ˌpɹoʊtəˈneɪʃən/: The addition of a proton (hydrogen ion) to an atom, molecule or ion, normally to generate a cation.
protoncogene noun: Alternative form of protooncogene.
protonema noun: A filament of cells that forms following the germination of the spores of mosses and liverworts
protonemal adjective: Relating to protonemata
protonematal adjective: Relating to protonemata.
protoneodioscin noun: A particular steroid glycoside.
protoneogracillin noun: A particular steroid glycoside.
protoneotokorin noun: A particular steroid glycoside.
protoneoyonogenin noun: A particular steroid glycoside.
protonephridial adjective: Relating to a protonephridium
protonephridium noun: A type of nephridium composed of a network of flame cells or solenocytes.
protoneurid noun: Any damselfly in the family Protoneuridae.
protoneuromast noun: A cell (or cluster of cells) that will develop into a neuromast
protoneutron phrase: Only used in protoneutron star.
protoneutron star noun: A star which is cooling and contracting to become a neutron star.
protonic adjective: Of, pertaining to, or composed of protons.
protonics noun: An analog of electronics based on the movement of protons
protonitazene noun: A potent synthetic opioid belonging to the benzimidazole class of designer drugs.
protonitrate noun: A compound of nitric acid with the protoxide of a metal.
protonium noun: An exotic atom consisting of a proton bound to an antiproton.
protonization noun: Synonym of protonation.
protonize verb: Synonym of protonate.
protonlike adjective: Having the characteristics of a proton
protonmotive adjective: Of or pertaining to the ability to transport protons.
protonography noun: The graphical representation of the presence of protons (hydrogen ions) during a chemical reaction
protonolysis noun: The breakup of a molecule following protonation
protonolytic adjective: Relating to, or causing protonolysis
protonophore noun: Any ionophore that transports protons
protonophoric adjective: Relating to a protonophore
protonosphere noun: Synonym of geocorona; a layer of the atmosphere.
protonotary noun: Alternative spelling of prothonotary.
protonym noun: The first legitimate name of a taxon, on which the currently accepted name is based.
protonymph noun: The instar between larva and deutonymph.
protonymphal adjective: Relating to a protonymph
protonymphon noun: The larva of a sea spider
protooncogene noun: Alternative form of proto-oncogene.
protooncogenic adjective: Alternative form of proto-oncogenic.
protooncoprotein noun: Any protein that is converted to an oncoprotein
protoorganism noun: An organism whose nature is so difficult to determine that it might be referred to either the animal or the vegetable kingdom.
protoorthodox adjective: before Christianity had agreed upon standards
protopanaxadiol noun: A terpene sapogenin, related to dammarane, found in ginseng.
protopanaxatriol noun: A terpene sapogenin, related to dammarane, found in ginseng
protopapas noun: A protopope.
protoparvovirus noun: Any virus of the genus Protoparvovirus
protopathic adjective: Relating to a sensory nerve that detects the presence of a stimulus without determining its location.
protopattern noun: An early or prototypical pattern.
protopectin noun: Synonym of pectose.
protopectinase noun: Any protease that breaks down protopectin
protoperithecial adjective: Relating to a protoperithecium
protoperithecium noun: A structure that develops into a perithecium
protophase noun: The instantaneous phase of an oscillation such as a heartbeat
protophenomenal adjective: Of a property: not phenomenal at the individual level, but collectively able to constitute phenomenal properties.
protophenomenon noun: A fundamental phenomenon
protophilic adjective: Describing a solvent that can accept protons, and is therefore basic.
protophilosophic adjective: Relating to protophilosophy.
protophilosophical adjective: Relating to protophilosophy.
protophilosophy noun: An early or formative form of philosophy.
protophloem noun: The form of phloem that is initially formed, composed of narrow, thin-walled cells.
protophobic adjective: Having a low Lewis basicity.
protophorin noun: Alternative form of protoporphyrin.
protophosphide noun: Any of a series of phosphides of a particular metal that has the fewest atoms of phosphorus per molecule
protophyll noun: A primitive leaf in some clubmosses
protophylline noun: Synonym of protochlorophylline.
protophysical adjective: Relating to protophysics.
protophysicist noun: An early physicist; a practitioner of protophysics.
protophysics noun: The early study of physics, before it became a rigorous established discipline.
protophyte noun /ˈpɹəʊtəfʌɪt/: Any of various primitive organisms such as the slime molds
protophytic adjective: Of or relating to the protophytes.
protophytology noun: paleobotany
protopilgrimage noun: A journey or quest that predates or approaches being a pilgrimage.
protopine noun: A benzylisoquinoline alkaloid occurring in plants of the family Papaveraceae that has partial agonism for mu and delta opioid receptors, these effects are...
protoplanet noun: An astronomical object, approximately the size of the Moon, formed from the mutual gravitational attraction of planetesimals; they are thought to collide...
protoplanetary adjective: Of or pertaining to a protoplanet.
protoplanetary disc noun: Alternative form of protoplanetary disk.
protoplanetary disk noun: A rotating disk of dense gas and dust surrounding a young newly formed star, and from which planets may be formed.
protoplanetary nebula noun: A stage in stellar evolution when a star starts to shed its outer layers before coming a true planetary nebula.
protoplanetesimal adjective, noun: A very small protoplanet
protoplasm noun: The entire contents of a cell comprising the nucleus and the cytoplasm. It is a semi-fluid, transparent substance which is the living matter of plant and...
protoplasmal adjective: Of or relating to protoplasm.
protoplasmatic adjective: Of or relating to protoplasm.
protoplasmic adjective: Of or relating to protoplasm.
protoplasmodial adjective: Relating to protoplasmodia
protoplasmodium noun: A primitive plasmodium composed of an undifferentiated microscopic mass
protoplast adjective, noun /ˈpɹəʊ.təˌplæst/: Created first; archetypal.
protoplasted adjective: Whose protoplast has been regenerated or transformed
protoplastic adjective: of or relating to protoplast
protoplastid noun: An immature plastid that is incapable of photosynthesis
protoplasting noun: The formation of protoplasts
protoploid adjective: Formed prior to genome duplication
protopod noun: Synonym of protopodite.
protopodal adjective: Relating to a protopod
protopodial adjective: Relating to a protopodium.
protopodite noun: The basal segment of the limb of a crustacean
protopoditic adjective: Relating to a protopodite.
protopodium noun: A primitive foot
protopoetic adjective: Relating to an early stage in the development of poetry as an art form.
protopolygonatoside noun: A particular steroid glycoside.
protopope noun: A protopresbyter.
protoporcelain noun: An early Chinese glazed stoneware, from the Han dynasty, that had some of the characteristics of true porcelain without its translucency.
protopore noun: A structure in a cell membrane that develops into an ion channel pore
protoporphyria noun: A form of porphyria characterized by excessive protoporphyrin in the erythrocytes, plasma and feces
protoporphyrin noun: Any porphyrin that lacks a central metal ion
protoporphyrin IX noun: A porphyrin that acts as a precursor for critical compounds like heme and chlorophyll.
protoporphyrinogen noun: Any of several precursors in the biosynthesis of protoporphyrin
protoporphyrinogen oxidase noun: An enzyme responsible for the seventh step in heme production, removing hydrogen atoms from protoporphyrinogen IX to form protoporphyrin IX.
protopresbyter noun: An archpriest or, in the Russian Orthodox tradition, a non-monastic priest ranking higher yet than an archpriest.
protopresbytery noun: The jurisdiction of a protopresbyter.
protopriest noun: The first cardinal priest in the order of precedence in the College of Cardinals, who has the honour of pronouncing the formal prayer for the new pope at...
protoproletarian adjective: Of or relating to a protoproletariat.
protoproletariat noun: A group of unskilled labourers with the potential of becoming a proletariat.
protoproteose noun: Any of a class of proteoses formed as products in the digestion of proteins.
protoprotestant adjective: Relating to a prototypical form of the Protestant religion.
protopsaltis noun: The cantor in charge of the music for a service of the Byzantine Rite.
protopsychological adjective: Being or relating to an earlier form of what is now known as psychology.
protopsychologist noun: A person who studied what is now called psychology before it was an established discipline.
protopsychology noun: The emerging field of psychology before it was an established discipline.
protopterid noun: Any in the family Protopteridae of African lungfishes.
protoptile noun: A feather in the first set of down in a bird that has two such sets
protopunk noun: Collectively, the music (of various genres and backgrounds) that influenced the later punk movement in the 1970s.
protoracism noun: Alternative form of proto-racism.
protoracist adjective, noun: Alternative form of proto-racist.
protorap noun: Alternative form of proto-rap.
protoreasteroside noun: A particular steroid glycoside.
protoreceptor noun: A nerve ending or similar group of specialist cells that are sensitive to light.
protoreligion noun: An early or formative religion.
protoreligious adjective: Relating to an early stage in the development of religion.
protoribosome noun: The precursor to ribosomes..
protorosaur noun: An extinct archosauromorph reptile of the order Protorosauria.
protorosaurian noun: Alternative form of protorosaur.
protorothyridid noun: Any extinct reptile in the family Protorothyrididae.
protosalt noun: The form of a salt of a particular base/acid combination that has the lowest proportion of base.
protosanctuary noun: A precursor to a sanctuary.
protosatellite adjective: Describing a ring of dust, surrounding a young planet, out of which moons develop
protoscience noun: An unscientific or pseudoscientific field of study which later becomes or spawns a science (e.g., astrology led to astronomy, alchemy led to chemistry, and,...
protoscientific adjective: Relating to protoscience.
protoscientist noun: A practitioner of protoscience: a researcher working on protoscientific research.
protoscolex noun: The juvenile scolex formed from the germinal layer of a hydatid metacestode.
protoscolicidal adjective: That leads to death of scolexes
protoscripture noun: Something which is not yet scripture, but which is becoming or will become scripture
protose noun: A meat substitute made chiefly of wheat gluten and peanuts, popular in the early twentieth century.
protoselenide noun: Any of a series of selenides of a particular metal that has the fewest atoms of selenium per molecule
protosequence noun: The sequence of bases in an ancestral genome
protosexual adjective: Of or relating to formative experiences with regard to sexuality in early life.
protosexuality noun: The quality of being protosexual; early or primitive sexuality.

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 P: 63,631 words, in 213 parts.