English words: biquarterly to Birgit

300 English words, part 70 of 142 of the words starting with B, A to Z. 22 have a page of their own.

English words biquarterly to Birgit

biquarterly adjective: Twice every quarter, i.e. eight times per year.
biquasiprimitive adjective: quasiprimitive in two different ways
biquaternary adjective: Alternative form of bisquaternary.
biquaternion noun: Any of the numbers w+xi+yj+zk! where w, x, y, and z are complex numbers and the elements of {1, i, j, k} multiply as in the quaternion group.
biquaternionic adjective: Relating to biquaternions.
biquinary adjective: Employing, or relating to, an arithmetical system and notation in which each decimal digit is represented by a coefficient of five and a coefficient of one
biquintile noun: An aspect of two planets that are distant from each other by two fifths of a great circle (72 degrees)
biquotient noun: The base space of a principal bundle with a homogeneous space as total space.
BIR noun, prefix: Initialism of British Indian restaurant.
biracial adjective, noun: Of or pertaining to two races.
biracialism noun: A situation where two races of people are segregated.
biraciality noun: The property of being biracial.
biracially adverb: In a biracial manner.
birack noun: A rack in which the two operations are invertible.
biradari noun: Alternative form of baradari (“system of social strata”).
biraderi noun: Synonym of baradari (“Muslim social strata”).
biradial adjective: Having two rays; radiating outward in two directions.
biradiate adjective: Having two rays
biradiated adjective: biradiate; having two rays
biradical adjective, noun: any molecule having two independent radical centres
biradicaloid adjective, noun: Of or pertaining to a biradical
biradicular adjective: Having two roots.
biradiculate adjective: Having a pair of roots
biramentaceone noun: The naphthoquinone 5-hydroxy-2-(5-hydroxy-7-methyl-1,4-dioxonaphthalen-2-yl)-7-methylnaphthalene-1,4-dione present in some sundews
biramose adjective: Alternative form of biramous.
biramous adjective: Branching in two, composed of two branches.
birandom adjective: Exhibiting two levels of randomness.
biraphid adjective: Having a raphe at each of both valves; notably said of diatoms.
biraryl noun: Any organic compound composed of two aryl groups linked together
birational adjective: Describing a rational geometric function that has a rational inverse
birational geometry noun: A field of algebraic geometry in which the aim is to determine under what conditions two algebraic varieties are isomorphic outside lower-dimensional subsets.
birationality noun: The quality of being birational.
birationally adverb: In birational terms.
Biratnagar proper noun: A city in Koshi, Nepal.
birb noun /bɜːb/: A bird, especially a small and cute one.
Birbeck proper noun: A surname.
Birbeck granule noun: A rod or tennis racket-shaped cytoplasmic organelle solely found in Langerhans cells and hence a marker for Langerhans cell histiocytoses.
Birbhum proper noun /bɪəˈbuːm/: A district of West Bengal, India.
birch noun, verb /bɜːtʃ/: Any of various trees of the genus Betula, native to countries in the Northern Hemisphere.
birch beer noun: A sweetened, nonalcoholic, sparkling beverage with a wintergreen flavor, traditionally made from the oil of the sweet birch.
birch bolete noun: Leccinum scabrum, an edible mushroom.
birch borer noun: Synonym of bronze birch borer.
birch bracket noun: A polypore mushroom that grows almost exclusively on birch trees, Piptoporus betulinus.
birch-leaved bellflower noun: Any member of the species Campanula betulifolia of bellflowers.
birch mouse noun: Any member of the species in the family Sminthidae, found in Eurasian forests and steppes.
birch oil noun: An essential oil primarily derived from the bark and twigs of the sweet birch tree, Betula lenta.
Birch reduction noun: An organic reaction in which an aromatic ring is reduced to a 1,4-cyclohexadiene with an alkali metal (e.g. sodium) in liquid ammonia in the presence of an...
birch skeletonizer noun: A moth of species Bucculatrix canadensisella.
birch tar noun: A substance (liquid when heated) derived from dry distillation of birch bark, and composed of phenols such as guaiacol, cresol, xylenol and creosol.
birch tree noun /ˈbɜːtʃ ˌtɹiː/: A tree of the genus Betula, native to countries in the Northern Hemisphere.
birch wood noun: Alternative form of birchwood (both senses)
Birchall proper noun: A surname from Old English.
Bircham proper noun: A civil parish in King's Lynn and West Norfolk district, Norfolk, England.
Birchard proper noun: A surname.
birchbark noun: The bark of the birch tree, especially the white bark of the paper birch, Betula papyrifera.
birchen adjective: Made from birch wood.
bircher noun: A person who flogs using a birch rod.
Bircher muesli noun: A breakfast dish originally consisting of rolled oats mixed with apples, nuts, lemon juice, cream and honey.
Birchfield proper noun: A surname.
Birchgrove proper noun: A hamlet in Horsted Keynes parish, Mid Sussex district, West Sussex, England (OS grid ref TQ4029).
birching noun, verb: A beating with a birch.
Birchington proper noun: A large coastal village and civil parish in Thanet district, Kent, England (OS grid ref TR3069).
birchir noun: Alternative form of bichir.
Birchism noun: A political ideology espoused by or associated with the John Birch Society, a conservative and right-wing organization.
Birchist adjective, noun: Of or relating to Birchism, ideas from or associated with the John Birch Society.
Birchite adjective, noun: Of or associated with the John Birch Society, its beliefs, or its practices.
Birchley proper noun: A habitational surname from Old English.
birchlike adjective: Resembling or characteristic of birch.
birchrind noun: birchbark (the bark of the birch tree, especially of the white birch)
birchwood noun: A wood largely populated with birch trees (Betula spp.).
birchy adjective /ˈbɜːtʃi/: Resembling or characteristic of birch.
bird adjective, noun, verb /ˈbɜːd/: An animal of the clade (traditionally class) Aves in the phylum Chordata, characterized by being warm-blooded, having feathers and wings usually capable of...
bird-alane noun: Alternative form of burdalane.
bird ball noun: Synonym of shade ball.
bird bath noun: Alternative form of birdbath.
bird bird noun: One's penis.
bird-bolt noun: Alternative form of birdbolt.
bird box noun: Alternative form of birdbox.
bird brain noun: Alternative form of birdbrain.
bird-brained adjective: Alternative form of birdbrained.
bird breeder's lung noun: Synonym of bird fancier's lung.
bird burst noun: A large quantity of birds simultaneously taking off from a single location and flying outwards, producing a radar signature closely resembling that from a...
bird cage noun: Alternative spelling of birdcage.
bird-catcher noun: Alternative form of birdcatcher.
bird-catcher tree noun: Synonym of pisonia.
bird cherry noun: Prunus padus or any deciduous species of Prunus subg. Padus that is closely related to it (tree or fruit).
bird-cherry ermine noun: An ermine moth (Yponomeuta evonymella), whose caterpillars build nets that can cover whole bird cherry trees.
bird chorus noun: The collective singing and vocalising of birds.
bird cliff noun: A steep cliff with numerous small shelves that serve as nesting locations for bird colonies.
bird colonel noun: A member of the United States armed forces having the rank of full colonel, as distinct from a lieutenant colonel.
bird colony noun: A large congregation of one or more bird species that nest or roost in proximity at a particular location.
bird course noun: In an educational institution, a course which is regarded as particularly easy.
bird dog noun, verb /ˈbɜːd dɒɡ/: A gun dog used in hunting waterfowl and other birds to flush, point out, and/or retrieve the birds.
bird dogging verb: present participle and gerund of bird-dog
bird dropping spider noun: Celaenia excavata, of New Zealand.
bird-eyed adjective: quick-sighted
bird fancier's lung noun: A form of hypersensitivity pneumonitis caused by exposure to bird droppings or feathers.
bird farm noun: An aircraft carrier.
bird feeder noun: A device placed outdoors to supply food to birds.
bird flu noun: Avian influenza.
bird grasshopper noun: Any large grasshopper or locust in the genus Schistocerca.
bird-headed adjective: Having a bird’s head, especially of a mythological figure.
bird hide noun: A hideout or blind constructed for watching birds unnoticed, typically a hut or wall with holes in it.
bird-hipped adjective: Belonging to the clade †Ornithischia, a group of primarily herbivorous dinosaurs characterized by a pubis that projects backwards, running parallel to the...
bird house noun: Alternative form of birdhouse.
bird-in-a-bush noun: A fumewort of the species Corydalis solida.
bird in a nest noun: Synonym of egg in a hole.
bird in the bosom noun: A secret pledge that one makes for another.
bird in the hand proverb: Ellipsis of a bird in the hand is worth two in the bush.
bird ingestion noun: Avian ingestion.
bird-like adjective: Alternative form of birdlike.
bird-lime noun: Alternative spelling of birdlime.
bird-loving adjective: Alternative form of birdloving.
Bird-Meertens formalism noun: A calculus for deriving programs from program specifications (in a functional programming setting) by a process of equational reasoning.
bird nest noun: Alternative form of bird's nest.
bird-nesting noun: The, formerly common, hobby of looking for birds' nests, often with the intention of collecting the eggs.
bird of ill omen noun: A person who brings bad news.
bird of Jove noun: The eagle.
bird of Juno noun: peacock
bird of one's own brain noun: One's own idea or conception.
bird of paradise noun: Any of various passerine birds of the family Paradisaeidae native to Oceania. In many of the species the breeding plumage of the males is brightly coloured.
bird of passage noun /ˌbɜːd əv ˈpæsɪd͡ʒ/: A migratory bird, especially a passage migrant (“a bird that stops somewhere for a short time during a seasonal migration”).
bird of prey noun: A carnivorous bird that hunts for its food, especially one that preys on land vertebrates.
bird of wonder noun: The phoenix.
bird off verb: To sentence (someone) to prison.
bird pepper noun: A tropical American plant, Capsicum baccatum.
bird point noun: A small flint arrowhead
bird-rich adjective: Of a region, having abundant birdlife.
bird's beak noun: A parasitic plant of the genus Cordylanthus.
bird's eye adjective, noun /ˈbɜː(ɹ)dz ˈaɪ/: Having spots resembling the eyes of a bird.
bird's eye chili noun: A spicy chili pepper, a cultivar from the species Capsicum annuum, commonly found in Southeast Asia.
bird's-eye maple noun: Maple wood with small eye-like markings, valued for use in decorative woodwork.
bird's-eye view noun: The view from directly or high above.
bird's-foot noun: Alternative form of birdsfoot.
bird's-foot trefoil noun: Alternative spelling of birdsfoot trefoil.
bird's mouth noun: Alternative form of birdsmouth.
bird's nest noun: A structure built by a bird as a place to incubate its eggs and rear its young.
bird's nest cut noun: A type of perm haircut popular among teens and young adults that resembles a bird's nest, consisting of shaded or faded sides, and much volume and length on...
bird's-nest fern noun: Any of a number of species of fern in genus Asplenium, especially Asplenium nidus
bird's nest fungus noun: Any of the fungi of the family Nidulariaceae, or of the former order Nidulariales.
bird's-nest orchid noun: A species of orchid, Neottia nidus-avis, native to Europe and Russia.
bird's nest pudding noun: A pudding containing apples whose cores have been replaced by sugar.
bird's nest soup noun: A Chinese delicacy made from edible bird's nests, prized for its smooth texture and delicate flavor.
bird's nest swing noun: A large circular swing in a children's playground, the seat consisting of a solid outer ring with a central area of webbing or netting, and able to...
bird's pepper noun: Alternative form of bird pepper.
bird's-tongue noun: Knotgrass (Polygonum aviculare).
bird-scarer noun: A scarecrow.
bird shot noun: Alternative form of birdshot.
bird song noun: Alternative spelling of birdsong.
bird spider noun: Goliath birdeater
bird strike noun: A collision between a bird and an aircraft, especially one that causes an accident.
bird stuffer noun: A person who prepares bird specimens; a bird taxidermist.
bird table noun: A construction with a tablelike surface, placed outdoors to supply food to birds.
bird walk noun: Alternative spelling of birdwalk.
bird-watch verb: Alternative spelling of birdwatch.
bird watcher noun: Alternative spelling of birdwatcher.
bird watching noun, verb: Alternative spelling of birdwatching.
Bird Whistle noun: An organ stop that is imitative of warbling birds, consisting of two or more small pipes with one end in water or a light oil.
bird-winged butterfly noun: Synonym of birdwing.
bird-witted adjective: flighty; incapable of sustained attention
birdaholic noun: A person obsessed with birds.
birdback noun: The back of a bird.
birdbander noun: One who attaches identification bands to birds in the wild so that they can be recognised and studied.
birdbanding noun: The attaching of identification bands to birds in the wild so that they can be recognised and studied.
birdbath noun: A shallow basin, sometimes ornamental, filled with water for wild birds to drink from or in which to bathe.
birdbolt noun: A short blunt arrow for killing birds without piercing them.
birdbox noun: A nest box for birds; a birdhouse.
birdbrain noun /ˈbɜː(ɹ)d.bɹeɪn/: Someone who is not intelligent.
birdbrained adjective: Silly and frivolous; empty-headed.
birdcage noun: A cage to keep pet or zoological specimen birds in.
birdcage mask noun: A catcher's mask designed with strong wire.
birdcall noun, verb: Any vocalization of a bird.
birdcaller noun: Someone who birdcalls; someone who imitates the cry of a bird.
birdcam noun: A camera usually monitoring a bird's nest.
birdcare noun: The care and welfare of birds, both wild and caged
birdcatcher noun: Someone who catches or ensnares birds; a fowler.
birdcatcher tick noun: Synonym of ticking (“a marking that occurs on some horses”).
birdcatching noun: The trapping of birds.
birdcliff noun: Alternative spelling of bird cliff.
birddog noun, verb: Alternative spelling of bird dog.
birddom noun: The state of being a bird, or of belonging to the world of birds; birds collectively.
birdeater noun: Anything which eats birds.
birdeen noun: A little bird.
birder noun /ˈbɜːdə(ɹ)/: A birdwatcher.
birdeye noun: A position looking down from above, either literally or figuratively (providing an overview).
birdfarm noun: Alternative form of bird farm.
birdfeed noun: Food intended for birds, often a mixture of various seeds.
birdfeeder noun: Alternative form of bird feeder.
birdglue noun: Synonym of birdlime (“sticky substance used to catch birds”)
birdhood noun: The state or condition of being a bird.
birdhouse noun /ˈbɝdhaʊs/: A small house or nest box for birds.
birdicide noun: The act or practice of killing birds.
birdie noun, verb /ˈbɜː.di/: A bird; especially, a small and cute one.
birdie-sit verb: Alternative spelling of birdysit
birdiesit verb: Alternative form of birdysit.
birdikin noun: A young bird.
birdily adverb: In a birdy way.
birdiness noun: Birdy or bird-like qualities.
birding noun /bɜː(ɹ)dɪŋ/: birdwatching
birdish adjective: Having similarities to a bird.
birdishly adverb /ˈbɝdɪʃli/: In a birdish manner.
birdishness noun: The quality of being birdish.
birdkeeper noun: One who cultivates birds as a hobby.
birdkeeping noun: The cultivation of birds as a hobby.
birdkind noun: All birds, considered as a group.
birdless adjective: Without birds.
birdlessness noun: Absence of birds.
birdlet noun: A small bird.
birdlife noun: Birds collectively; avifauna.
birdlike adjective, adverb: Similar to a bird or an aspect of a bird; reminiscent of birds.
birdlikeness noun: The quality of being birdlike.
birdlime noun, verb /ˈbɜːdlaɪm/: A sticky substance, of varying compositions, smeared on branches to catch birds.
birdliness noun: The state, quality, or condition of being birdly.
birdling noun /ˈbɜɹd.lɪŋ/: A little bird; especially, a baby bird.
birdlore noun /ˈbɜːd.lɔː/: The knowledge, science, or study of birds; ornithology.
birdlover noun: One who loves birds.
birdloving adjective: Fond of birds; enamoured of birds.
birdly adjective: Of, pertaining to, or characteristic of birds; avian.
birdman noun: A man who works with birds.
birdmom noun: The female owner of a pet bird.
birdmouth noun, verb: Alternative form of birdsmouth
birdnap verb: To steal or abduct a bird.
birdnapper noun: One who birdnaps.
birdness noun: The quality of being a bird.
birdnest noun, verb: Alternative form of bird's nest.
birdnesting noun, verb: The act or process of collecting bird eggs.
birdo noun /ˈbɜː(ɹ)dəʊ/: A birder or birdwatcher.
birdproof adjective: Resistant to birds.
birds and bees noun: Informal education about sex.
birds'-nesting noun: Alternative form of bird-nesting.
birds of a feather noun: People having similar characters, backgrounds, interests, or beliefs.
birds of a feather flock together proverb: People of similar character, background or taste tend to congregate or associate with one another; it is easier to establish friendships with people that...
birds-of-a-feather session noun: An informal discussion group, typically at a conference, based on a shared interest and without any fixed agenda.
birds of the feather flock together proverb: Alternative form of birds of a feather flock together.
Birdsall proper noun: A surname.
birdseed noun /ˈbɝdˌsid/: Seed, usually constituting a mixture from several species of plant, set out as food for birds.
Birdsell proper noun: A surname.
birdseller noun: Someone who sells birds.
birdseye adjective, noun: Alternative form of bird's-eye.
birdsfoot noun: Any of various flowering plants in the genus Ornithopus.
birdsfoot trefoil noun: Plants of certan species of genus Lotus, especially common birdsfoot trefoil (Lotus corniculatus), a flowering plant native to grassland in Eurasia and...
birdsfoot violet noun: Viola pedata, an ornamental plant in the Violaceae family.
birdshop noun: A shop that sells live birds.
birdshot noun: Small lead or steel shot, as pieces of ammunition, used in shotgun shells.
birdsit verb: To babysit for (take care of) a bird.
birdsitter noun: Someone who birdsits.
birdskin noun: the skin of a bird, detached from that bird, especially as prepared during study of the bird or for display
birdsmouth noun, verb /ˈbɜːdsmaʊθ/: A notch cut into the underside of a rafter to ensure that it does not move when resting on the wall plate running across the top of a wall; a similar notch...
birdsnest noun: Alternative form of bird's nest.
birdsnest soup noun: Alternative form of bird's nest soup.
birdsome adjective: Like a bird in some manner; free as bird, happy as a bird, etc.
birdsona noun: A fursona that is a bird.
birdsong noun: Vocalisations made by birds, considered collectively.
birdspotter noun: A person who takes part in birdspotting.
birdspotting noun: The hobby of sighting and identifying birds.
birdstrike noun: Alternative form of bird strike.
Birdsville disease noun: A disease of horses caused by ingestion of the plant Birdsville indigo.
Birdsville indigo noun: Any member of the species Indigofera linnaei of leguminous shrubs, that cause Birdsville disease in horses.
birdsweet adjective: Sweet-sounding, dulcet, as of birdsong
birdtable noun: Alternative form of bird table.
birdtrap noun: A trap designed or used to catch wild birds.
birdwalk noun: A walk taken for the purpose of birdwatching.
birdwatch noun, verb: To take part in birdwatching; to observe and identify birds.
birdwatcher noun /ˈbɜː(ɹ)dˌwɒtʃ.ə(ɹ)/: A person who observes or identifies wild birds in their natural environment.
birdwatching noun /ˈbɜː(ɹ)dˌwɒtʃ.ɪŋ/: Observing or identifying wild birds in their natural environment.
birdweed noun: Any of certain species of plants of the genus Polygonum, especially
Birdwell proper noun: A village in the Metropolitan Borough of Barnsley, South Yorkshire, England (OS grid ref SE3401).
birdwing noun: Any of various large papilionid butterflies of the genera Troides and Ornithoptera.
birdwise adjective, adverb: In the manner of a bird.
birdwoman noun: A woman who works with birds.
Birdwood proper noun: A surname.
birdy adjective, noun /ˈbɝdi/: Resembling or characteristic of a bird.
birdy-sit verb: Alternative form of birdysit
birdyback noun: A system of transportation in which containers are moved from truck to airplane.
birdysit verb: To take care of a bird in the owner's absence; to birdsit.
birdysitting noun, verb: The caring of a bird in the owner's absence.
birectangular adjective: Containing two right angles.
biredox adjective: Having two redox moieties in each molecule (typically in a cation and an anion)
bireflectance noun: An optical effect in which the amount of plane polarized light reflected from a mineral sample varies as the sample is rotated
birefractive adjective: Birefringent.
birefringence noun /baɪɹɪˈfɹɪnd͡ʒəns/: The splitting of a ray of light into two parallel rays of perpendicular polarization by passage through an optically anisotropic medium; the property of a...
birefringency noun: Alternative form of birefringence.
birefringent adjective: Of or pertaining to birefringence
birefringently adverb: In a birefringent manner.
biregional adjective: Of or relating to two regions.
biregular adjective: Being a regular map with regular inverse.
biregularity noun: The property of being biregular.
biregularly adverb: In a biregular manner.
bireme noun /ˈbaɪˌriːm/: An ancient galley having two banks of oars, one above the other.
Biren proper noun: A unisex given name from Sanskrit.
biretta noun: A square cap, originally with four ridges across the top, surmounted by a tuft, worn by Roman Catholic clergy (and by some in the Anglican Church). A...
biretta'd adjective: Wearing a biretta.
birettaed adjective: Alternative spelling of biretta'd.
birettina noun: A small skullcap worn beneath the biretta.
bireversible adjective: reversible under the action of two linear involutions
birf noun: Pronunciation spelling of birth.
birfday noun: Pronunciation spelling of birthday.
BIRG verb: Acronym of bask in reflected glory.
Birge proper noun: A surname.
Birgit proper noun: A Chadic language spoken in southeastern Chad.

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 B: 42,566 words, in 142 parts.