The design, construction, mathematics and mechanics of aircraft and other flying objects
The theory and practice of aircraft navigation
aglycosuric
aglycosuric
adj
Having, or relating to, the condition of aglycosuria.
agriculture
agriculture
noun
The art or science of cultivating the ground, including the harvesting of crops, and the rearing and management of livestock
alacriously
alacriously
adv
With alacrity; briskly.
albuminuric
albuminuric
adj
showing the symptom albuminuria, i.e. having albumen in the urine
alcicornium
alcoholuria
aliturgical
aliturgical
adj
(of a day in the Christian calendar) On which the holy sacrifice is not offered.
alivincular
alivincular
adj
(biology, of bivalves) Having the longer axis transverse to the hinge line
amphicarpus
anchisaurus
anchtherium
androconium
androconium
noun
A specialised, glandular scale, on the forewings of some butterflies, that emits pheromones
androtauric
animalcular
animalcular
adj
Of, relating to, or resembling animalcules.
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
antecardium
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
antidysuric
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
antireducer
apicultural
apicultural
adj
(agriculture) relating to beekeeping
apicultures
aponeurotic
aponeurotic
adj
(anatomy) Of or pertaining to an aponeurosis.
apoturmeric
aquiculture
aquiculture
noun
Alternative form of aquaculture
arachnidium
araliaceous
araliaceous
adj
(botany) Of or relating to the family Araliaceae.
archaimbaud
archbuilder
archduchies
archduchies
noun
plural of 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.
archicytula
archilochus
archimorula
archineuron
archpuritan
arcifinious
arcifinious
adj
(law, dated) Having a natural boundary, like a river, rather than an artificial dividing line.
arenicolous
arenicolous
adj
(biology) living or burrowing in sand
aristarchus
aristarchus
Proper noun
name, of historical use only in English.
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.
arviculture
arviculture
noun
(agriculture) arable farming
astronautic
astronautic
adj
Of or pertaining to astronautics.
atrociously
atrociously
adv
in an atrocious manner
auctioneers
auctioneers
noun
plural of auctioneer
auctorizate
audiometric
audiometric
adj
Measured using an audiometer
Of or pertaining to audiometry
aurichalcum
aurichalcum
noun
Alternative form of orichalcum
auriculares
auriculares
noun
plural of auricularis
auricularia
auricularia
noun
(zoology) The larvae of the sea cucumber.
auricularis
auricularis
noun
(anatomy) Any of three muscles attaching the cartilage of the external ear to the skull.
auricularly
auricularly
adv
In an auricular manner.
auriculated
auriculated
adj
(biology, rare) Having ears or appendages like ears; eared.
(botany, rare) Having lobes or appendages like the ear; shaped like the ear; auriculate.
(zoology, rare) Having an angular projection on one or both sides, as in certain bivalve shells, the foot of some gastropods, etc.
auriculidae
auricyanide
aurignacian
aurignacian
Adjective
From or pertaining to a culture of the Upper Paleolithic, located in Europe and southwest Asia from circa 45,000 to 35,000 years ago, known from archaeological remains.
Noun
A member of the Aurignacian culture.
auriscalpia
aurocyanide
aurocyanide
noun
(inorganic chemistry, uncountable) The complex anion, Au(CN)₂⁻, produced when gold is dissolved as part of the cyanide process.
austafrican
autarchical
autarchical
adj
autarchic
autocarpian
autocracies
autocracies
noun
plural of autocracy
autocratrix
autocratrix
noun
(in particular, historical) The enlightened despot Catherine II of Russia, who reigned from 1762 to 1796 as empress and autocratrix of all the Russias.
A female autocrat.
autographic
autographic
adj
Containing or relating to an autograph.
automorphic
automorphic
adj
(geology) Describing a mineral, in an igneous rock, that is bounded by its own crystal face; euhedral, idiomorphic
(mathematics) Describing a number whose square ends in the number itself; circular
(mathematics) Of or pertaining to automorphy or an automorphism
Marked by automorphism, the ascription to others of one's own characteristics.
autosoteric
autosoteric
adj
Relating to autosoterism
autotrophic
autotrophic
adj
(biology) Relating to the production of organic compounds from carbon dioxide as a carbon source, using either light or reactions of inorganic chemical compounds, as a source of energy.
auxochromic
auxochromic
adj
Relating to an auxochrome
auxographic
auxotrophic
auxotrophic
adj
(biology) Describing a strain of organism that requires a specific metabolic substance that the parent organism was able to synthesize by itself
avicularian
avicularian
noun
Any of the genus Avicularia of spiders.
avicularium
avicularium
noun
(biology) A modified zooid, in some colonial bryozoans, in the form of a beak, that prevents other organisms from settling on the colony
avicultures
avicultures
noun
plural of aviculture
bacciferous
bacciferous
adj
Producing berries.
baccivorous
baccivorous
adj
(zoology) Eating, or having a diet based on, berries
bacteririum
bacteriuria
bacteriuria
noun
(pathology) The presence of bacteria in the urine
barbecueing
barracudina
barracudina
noun
Any of the elongated ray-finned fish of the order Paralepididae.
bassariscus
bauckiebird
becurtained
becurtained
verb
simple past tense and past participle of becurtain
biarticular
biarticular
adj
(anatomy) Affecting, or connecting two joints
biauricular
biauricular
adj
Having or relating to two auricles.
bifurcately
bifurcately
adv
In a bifurcate manner.
bifurcating
bifurcating
adj
dividing or forking into two
verb
present participle of bifurcate
bifurcation
bifurcation
noun
(biology) A division into two branches.
(by extension) Any place where one thing divides into two.
(computer science) A command that executes one block or other of commands depending on the result of a condition.
(geography) A place where two roads, tributaries etc. part or meet.
(mathematics) The change in the qualitative or topological structure of a given family as described by bifurcation theory.
(nautical) The point where a channel divides when proceeding from seaward.
Either of the forks or other branches resultant from such a division.
The act of bifurcating; branching or dividing in two.
bimolecular
bimolecular
adj
(chemistry) Relating to bimolecules
(chemistry, of a reaction) involving two molecules
consisting of two layers of molecules
bimucronate
bimucronate
adj
(biology) Having two mucros
binocularly
binocularly
adv
In a binocular manner.
biquadratic
biquadratic
adj
(mathematics) Of a polynomial expression, involving only the zeroth, second, and fourth powers of a variable, as x⁴ + 3x² + 2. Sometimes extended to any expression involving the biquadrate or fourth power (but no higher powers), as x⁴ − 4x³ + 3x² − x + 1.
noun
(mathematics) A biquadratic equation.
borzicactus
brachiosaur
brachiosaur
noun
Any of several massive, herbivorous sauropod dinosaurs, of the genus Brachiosaurus, from the Jurassic and Cretaceous periods.
britannicus
bromouracil
bromouracil
noun
A brominated derivative of uracil.
buccinators
buccinators
noun
plural of buccinator
buccinatory
buccinatory
adj
Relating to the buccinator muscle.
bucculatrix
bucerotidae
bucerotinae
bursiculate
bursiculate
adj
(botany) bursiform
butyrically
cadmiferous
cadmiferous
adj
Containing or producing cadmium.
caduciaries
cafetoriums
cafetoriums
noun
plural of cafetorium
calamistrum
calamistrum
noun
(zoology) A comb-like structure on the metatarsus of the hind legs of certain spiders (Ciniflonidae), used to curl certain fibres in the construction of their webs.
calciferous
calciferous
adj
Yielding or containing calcium, calcium carbonate or calcite.
calcigerous
calcigerous
adj
Containing lime.
calcivorous
calcivorous
adj
Tending to erode limestone.
calculiform
calculiform
adj
Having the shape of a pebble
calenturing
calenturish
calenturist
californium
californium
noun
A strongly radioactive and highly fissile transuranic chemical element (symbol Cf) with an atomic number of 98.
callisaurus
calumniator
calumniator
noun
A person who calumniates (slanders, or makes personal attacks upon, others).
canalicular
canalicular
adj
Of, pertaining to, or resembling a canaliculus
candidature
candidature
noun
(UK, Ireland, Australia, New Zealand) The condition of becoming a candidate; candidateship.
capitularly
capitularly
adv
In the manner or form of an ecclesiastical chapter.