Producing ducks. Formerly used of barnacles, since it was believed that they produced ducks and geese.
anatosaurus
anchisaurus
anchtherium
androconium
androconium
noun
A specialised, glandular scale, on the forewings of some butterflies, that emits pheromones
androgenous
androgenous
adj
(biochemistry) Of, pertaining to, or producing androgens; androgenic
Misspelling of androgynous.
androginous
androgonium
androgynous
androgynous
adj
(of a connector or docking port) Able to connect to another connector or port of the same type, rather than being restricted to connecting to solely male or solely female connectors or ports.
Pertaining to a feature or characteristic that is not definitively of either sex.
Possessing qualities of both sexes.
Possessing the sex organs of both sexes.
androphorum
androphorum
noun
(botany) A stalk-like extension of the center of a flower from which emerge the stamens.
androtauric
anfractuose
anfractuose
adj
Alternative form of anfractuous
anfractuous
anfractuous
adj
craggy, rugged, coarse, rough, uneven.
sinuous, twisty, winding.
anguillaria
anguimorpha
angularness
angularness
noun
The state or quality of being angular.
angulometer
angulometer
noun
An instrument for measuring exterior angles.
anhydrously
animalcular
animalcular
adj
Of, relating to, or resembling animalcules.
anisandrous
anisomerous
anisomerous
adj
(botany) Having the number of floral organs unequal.
ankylosaurs
ankylosaurs
noun
plural of ankylosaur
annunciator
annunciator
noun
(UK, railways) A buzzer in a signal box that sounds when a train activates a treadle positioned on the track, and thus provides a warning or announcement of a nearby train.
A signalling device that shows which of several electrical circuits is active, especially such a device in a telephone switchboard
An officer in the church of Constantinople, whose business it was to inform the people of the festivals to be celebrated.
Anything that announces something
anovulatory
anovulatory
adj
Not ovulatory; characterized by anovulation (a lack of ovulation).
antecardium
antennarius
antennulary
antestature
antesternum
antesunrise
antheridium
antheridium
noun
(botany, mycology) An organ producing male gametes called antherozoids, found in some algae, ferns, and bryophytes.
anthrarufin
anthrarufin
noun
(organic chemistry) 1,5-dihydroxyanthraquinone
anthropodus
antiangular
antiburgher
antiburgher
noun
(historical, Scotland) A member of a faction of the Scottish Presbyterian Church that refused to take the burgess oath in 1747; since reunited.
antiburglar
antiburglar
adj
Opposing or countering burglars.
anticardium
anticardium
noun
(anatomy) The epigastrium, especially the part almost in front of the heart.
anticarious
anticarious
adj
(dentistry) That prevents, or counteracts caries
anticruelty
anticruelty
adj
Opposing cruelty, especially towards animals.
anticularia
antidromous
antidromous
adj
(botany) Changing the direction in the spiral sequence of leaves on a stem.
antidysuric
antiguggler
antiliturgy
antimasquer
antimasquer
noun
One who takes part in an antimasque.
antinatural
antinatural
adj
contrary to nature
antineutral
antineutral
Adjective
Opposing a policy of neutrality.
antineutron
antineutron
noun
(physics) The antiparticle corresponding to a neutron.
antinuclear
antinuclear
adj
Against the nucleus of a biological cell.
Opposed to the production or use of nuclear weapons, or opposed to the generation of electricity from nuclear power.
Serving as protection from nuclear devices
antipopular
antipopular
adj
Opposing the people.
antipuritan
antipuritan
noun
One who opposes puritanism.
antiquarian
antiquarian
adj
Pertaining to antiquaries, or to antiquity.
noun
A collector or student of, or expert in, antiquities or antiques.
antiquaries
antiquaries
noun
plural of antiquary
antiquarism
antiquarism
noun
Synonym of antiquarianism
antiquarium
antiquarium
noun
A place for keeping antiques.
antiquartan
antireducer
antirrhinum
antirrhinum
noun
Any plant of the genus Antirrhinum of snapdragons.
antiseizure
antiseizure
adj
(pharmacology) Intended to combat or reduce seizures.
Preventing goods etc. from being seized.
antisudoral
antisudoral
adj
Preventing sweating.
antitrismus
antitropous
antitropous
adj
(botany) Displaying, of, or pertaining to antitropy.
antitruster
antitruster
noun
(US) A government agent who investigates monopolies.
antitumoral
antitumoral
adj
(oncology) antitumor
antiviruses
antiviruses
noun
plural of antivirus
antrostomus
anzengruber
apatosaurus
apatosaurus
noun
A large sauropod dinosaur of the genus Apatosaurus of the late Jurassic Period. Apatosaurs had a long neck and tail and a relatively small head.
aphoruridae
aphroditeum
aphroditous
apicultural
apicultural
adj
(agriculture) relating to beekeeping
apicultures
apodyterium
apodyterium
noun
(architecture, historical) The apartment at the entrance of the baths, or in the palestra, for getting undressed.
aponeuroses
aponeuroses
noun
plural of aponeurosis
aponeurosis
aponeurosis
noun
(anatomy) A flattened pearly white fibrous membrane taking the place of a tendon that binds together and forms the terminations and attachments of muscles or connects them to other body parts like skin or bone.
aponeurotic
aponeurotic
adj
(anatomy) Of or pertaining to an aponeurosis.
aporocactus
apostrophus
apoturmeric
apparatuses
apparatuses
noun
plural of apparatus
appurtenant
appurtenant
adj
Ancillary or subsidiary.
Of or pertaining to an appurtenance.
noun
(law, nominalized, informal) An appurtenance.
An appendage or attachment.
aquaculture
aquaculture
noun
The cultivation of aquatic produce such as aquatic plants, fish, and other aquatic animals.
aquafarming
aquafarming
noun
(agriculture) aquaculture
aquafortist
aquafortist
noun
One who prepares etchings or engravings using aqua fortis. [from 19th c.]
aquamarines
aquamarines
noun
plural of aquamarine
aquaplaners
aquaplaners
noun
plural of aquaplaner
aquarellist
aquarellist
noun
(art) An artist who paints aquarelles
aquatinters
aquatinters
noun
plural of aquatinter
aquiculture
aquiculture
noun
Alternative form of aquaculture
arabesquely
arabesquely
adv
In the style of arabesque art or architecture.
arachnidium
araliaceous
araliaceous
adj
(botany) Of or relating to the family Araliaceae.
arbitrageur
arbitrageur
noun
(finance) One who engages in arbitrage, such as a financial broker or an investment bank.
arboraceous
arboraceous
adj
Abounding in trees.
Of or relating to trees.
arboviruses
arboviruses
noun
plural of arbovirus
archaimbaud
archambault
archbuffoon
archbuilder
archduchess
archduchess
noun
A daughter or granddaughter of the Emperor of Austria-Hungary, or the wife of a son or grandson of the Emperor of Austria-Hungary
Coordinate term: archduke
archduchies
archduchies
noun
plural of archduchy
archdukedom
archdukedom
noun
The territory or dignity of an archduke or archduchess; an archduchy.
archegonium
archegonium
noun
(botany) A multicellular reproductive structure that contains a large, non-motile gamete (egg cell), and within which an embryo will develop.
archelochus
archfounder
archicytula
archilochus
archimorula
archineuron
archmugwump
archpuritan
archseducer
arcifinious
arcifinious
adj
(law, dated) Having a natural boundary, like a river, rather than an artificial dividing line.
arcocentrum
arduousness
arduousness
noun
The state of being arduous.
arenicolous
arenicolous
adj
(biology) living or burrowing in sand
argentarius
arguitively
argumentive
argumentive
adj
Being or presenting an argument or line of reasoning.
argusfishes
argyrosomus
argyrotoxus
aristarchus
aristarchus
Proper noun
name, of historical use only in English.
aristodemus
arlequinade
arnaudville
arnoldsburg
arquebusier
arquebusier
noun
(military, now historical) A soldier armed with an arquebus.
arrhythmous
arsenofuran
articulable
articulable
adj
(of ideas, thoughts, etc.) Capable of being expressed clearly in language.
(phonetics, of words, linguistic expressions, etc.) Capable of being pronounced or expressed distinctly in speech.
articularly
articularly
adv
In an articular manner.
articulated
articulated
adj
(grammar, linguistics) Qualified by an article
Constructed with one or more pivoted joints which allow bending of an otherwise rigid structure.
Of a vehicle, composed of component parts each with its own wheels and chassis, e.g. an articulated lorry, articulated bus, or certain kinds of streetcars and trains.
noun
An articulated vehicle, such as a locomotive.
verb
simple past tense and past participle of articulate
articulates
articulates
verb
Third-person singular simple present indicative form of articulate
articulator
articulator
noun
(dentistry) A mechanical device to which casts of the teeth are fixed, reproducing recorded positions of the mandible in relation to the maxilla.
(phonetics) Any organ in the vocal tract used to articulate, produce speech.
One who articulates bones and mounts skeletons.
One who, or that which, articulates or expresses.
artifactual
artifactual
adj
Of or pertaining to artifact.
Resembling an artifact.
artificious
artificious
adj
(obsolete) Using, exhibiting, performed with or characterized by much art, skill, or contrivance; dexterous; skillful.
artocarpous
artophagous
artophagous
adj
(rare) bread-eating
arundinaria
arundineous
arundineous
adj
(rare) Abounding in reeds; reedy.
arviculture
arviculture
noun
(agriculture) arable farming
ascocarpous
ascocarpous
adj
Having an ascocarp
ascophorous
ascosporous
ascosporous
adj
Synonym of ascosporic
asparaguses
aspergillum
aspergillum
noun
(Christianity) An implement, in the form of a brush, or of a rod with a perforated container, for sprinkling holy water; a holy water sprinkler.
aspergillus
aspergillus
noun
Any of many molds, of the genus Aspergillus, many of which are pathogenic.
aspermatous
aspermatous
adj
Alternative form of aspermous
aspersorium
aspersorium
noun
A basin that holds holy water with which worshippers sprinkle themselves.