(zoology) Having a spiny head, as one of the Acanthocephala.
acanthopterous
acanthopterous
adj
(zoology) Acanthopterygious
(zoology) Spiny-winged.
accouplement
accouplement
noun
(rare) That which couples, as a tie or brace
(rare) The act of coupling, or the state of being coupled; union
acquaintanceship
acquaintanceship
noun
(countable) A relationship as acquaintances.
(uncountable) The state of being acquainted.
acquaintanceships
acquaintanceships
noun
plural of acquaintanceship
acrotrophoneurosis
actinopterous
actinopterygious
actinosphaerium
actinotherapeutic
actinotherapeutic
adj
Relating to actinotherapy.
actinotherapeutics
actinotherapeutics
noun
actinotherapy
acupunctuate
acupunctuate
verb
(rare) To pierce with a needle; to treat with acupuncture.
acupuncture
acupuncture
noun
The insertion of needles into the (living) tissue of the body, especially for purposes of pain relief.
verb
(transitive) To treat with acupuncture.
acupunctured
acupunctured
verb
simple past tense and past participle of acupuncture
acupunctures
acupunctures
noun
plural of acupuncture
verb
Third-person singular simple present indicative form of acupuncture
adaptitude
adaptitude
noun
Adaptedness; special aptitude.
adenotyphus
adiapneustia
adiapneustia
noun
(medicine) defective perspiration; adiaphoresis
adstipulate
adstipulated
adventureship
aegyptus
aepytus
aeroperitoneum
aeropleustic
aeropleustic
adj
(humorous) Of or pertaining to aerial navigation.
aerotherapeutics
aerotherapeutics
noun
The treatment of disease by the use of air or other gases.
afterpressure
aftersupper
agapanthuses
agapanthuses
noun
plural of agapanthus
agglutinoscope
agglutinoscope
noun
An instrument that is used to observe agglutination in vitro
aggroupment
aggroupment
noun
Arrangement in a group or in groups; grouping.
alectoromorphous
alectoropodous
alpetragius
alternipetalous
alternisepalous
aluminotype
aluminotype
noun
A form of printing plate made of a sheet of aluminium.
amateurship
amateurship
noun
The quality or character of an amateur.
ampherotokous
amphipneust
amphipneusta
amphipneustic
amphithecium
amphoterus
amplexicaudate
amplitude
amplitude
noun
(astronomy) The arc of the horizon between the true east or west point and the center of the sun, or a star, at its rising or setting. At the rising, the amplitude is eastern or ortive: at the setting, it is western, occiduous, or occasive. It is also northern or southern, when north or south of the equator.
(astronomy) The arc of the horizon between the true east or west point and the foot of the vertical circle passing through any star or object.
(firearms) The horizontal line which measures the distance to which a projectile is thrown; the range.
(mathematics) The maximum absolute value of the vertical component of a curve or function, especially one that is periodic.
(physics) The maximum absolute value of some quantity that varies.
The measure of something's size, especially in terms of width or breadth; largeness, magnitude.
amplitudes
amplitudes
noun
plural of amplitude
ampulate
ampulated
ampullate
ampullate
adj
Having an ampulla; flask-shaped; bellied.
noun
The spigot of a spinneret in some spiders
ampullated
ampullated
adj
ampullate
amputate
amputate
verb
(obsolete) To cut off, to prune. [17th–18th c.]
To surgically remove a part of the body, especially a limb. [from 17th c.]
amputated
amputated
adj
Having been removed or cut off.
verb
simple past tense and past participle of amputate
amputates
amputates
verb
Third-person singular simple present indicative form of amputate
amputative
amputative
adj
(surgery) That involves amputation
amputee
amputee
noun
A person who has had one or more limbs removed.
amputees
amputees
noun
plural of amputee
anapterygotous
andropetalous
angiospermatous
angiospermatous
adj
Alternative form of angiospermous
angustiseptal
angustiseptate
angustiseptate
adj
Having a narrow septum
anisopetalous
anisopetalous
adj
(botany) Having unequal petals.
anisopterous
anoplotherium
anoplotherium
noun
(zoology) Any member of the extinct ungulate genus Anoplotherium.
antenuptial
antenuptial
adj
Occurring before marriage; prenuptial.
anteoccupation
anteoperculum
antepartum
antepartum
adj
Describing the period before childbirth; antenatal
antepectus
antependium
antependium
noun
(ecclesiastical) The hangings or screen in front of the altar; an altar cloth; the frontal.
antependiums
antependiums
noun
plural of antependium
antepenuit
antepenult
antepenult
noun
The third-to-last syllable of a word.
antepenultima
antepenultima
noun
(poetry) The last syllable of a word except two
antepenultimate
antepenultimate
adj
Two before the last, i.e., the one immediately before the penultimate, in a series.
noun
The syllable that comes two before the last in a word.
Two before the last in a series. e.g. (..., antepenultimate, penultimate, ultimate)
antepenults
antepenults
noun
plural of antepenult
anteposthumous
anterosuperior
anterosuperior
adj
(anatomy) From anterior to superior.
antesuperior
anthocephalous
anthospermum
anthropogenous
anthropogenous
adj
having its origin in the activities of mankind; particularly, referring to environmental alterations resulting from the presence or activities of humans
of or pertaining to anthropogeny
anthropopithecus
anticrepuscular
anticrepuscule
antiopelmous
antiopelmous
adj
(zoology) Of birds: having a zygodactylous foot with one tendon to flex the third toe and another, trifurcate tendon to flex the first, second and fourth toes.
antiopiumite
antipeduncular
antipendium
antipetalous
antipetalous
adj
(botany) Alternative form of antepetalous
antiplague
antiplague
adj
Countering plague
antipleasure
antipleasure
adj
Opposing pleasure.
antipleuritic
antipleuritic
adj
Working against pleurisy.
antipneumococcic
antipneumococcic
adj
(immunology) Acting against pneumococcus.
antipoenus
antipolyneuritic
antipolyneuritic
adj
Countering polyneuritis.
antiproductive
antiproductively
antiproductiveness
antiprudential
antiprudential
adj
Lacking or opposing prudence; imprudent.
antiputrefaction
antiputrefaction
adj
That counters (the effects of) putrefaction
antiputrefactive
antiputrefactive
adj
Counteracting, or preserving from, putrefaction; antiseptic.
noun
Any substance preventing putrefaction.
antiputrescent
antiputrescent
Adjective
Counteracting, or preserving from, putrefaction; antiseptic.
antirepublican
antirepublican
adj
(politics) Opposing the formation of a republic.
noun
(politics) One who opposes the formation of a republic.
antirepublicanism
antisepalous
antisepalous
adj
(botany) Alternative form of antesepalous
antispeculation
antispeculation
adj
(economy) Opposing or countering financial speculation.
antistreptococcus
antisupernatural
antisupernaturalism
antisupernaturalism
noun
Opposition to supernaturalism.
antisupernaturalist
antisupernaturalist
noun
One who opposes supernaturalism.
antisupernaturalistic
antiturnpikeism
antiunemployment
antiunemployment
adj
(politics) Opposing or countering unemployment.
apemantus
apertum
apertural
apertural
adj
Relating to an aperture.
aperture
aperture
noun
(astronomy, photography) The diameter of such a hole which restricts the width of the lightpath through the whole system. For a telescope, this is the diameter of the objective lens.
(mathematics, rare, of a right circular cone) The maximum angle between the two generatrices.
(optics) A hole which restricts the diameter of the lightpath through one plane in an optical system.
(space flight, communication) The (typically) large-diameter antenna used for receiving and transmitting radio frequency energy containing the data used in communication satellites, especially in the geostationary belt. For a comsat, this is typically a large reflective dish antenna; sometimes called an array.
A small or narrow opening, gap, slit, or hole.
apertured
apertured
adj
Having an aperture (or a specified type of aperture).
apertures
apertures
noun
plural of aperture
apetalous
apetalous
adj
(botany) Having no petals.
apetalousness
apetalousness
noun
(botany) The state or quality of being apetalous.
aphanipterous
aphanipterous
adj
(zoology) Of or pertaining to the Aphaniptera, a former classification of insects.
aphroditeum
apiculate
apiculate
adj
(botany) Having a short, sharply pointed tip.
apiculated
apiculated
adj
(botany) apiculate
apiculture
apiculture
noun
The keeping and maintenance of bees for commercial reasons.
apicultures
aplectrum
aploperistomatous
aplostemonous
aplostemonous
adj
Alternative form of haplostemonous
aplustre
aplustre
noun
(historical, nautical) An ornamental appendage of wood at the stern of a Roman ship, usually spreading like a fan and curved like a bird's feather.
apneumatic
apneumatic
adj
(medicine) Devoid of air; free from air, or effected by or with exclusion of air.
(rare) Of or pertaining to the nonexistence of soul or spirit; non-spiritual.
apneumatosis
apneumatosis
noun
(medicine) atelectasis
apneustic
apneustic
adj
(pathology) Of or relating to apneusis.
apodyterium
apodyterium
noun
(architecture, historical) The apartment at the entrance of the baths, or in the palestra, for getting undressed.
apogalacteum
apometabolous
aponeurositis
aponeurotic
aponeurotic
adj
(anatomy) Of or pertaining to an aponeurosis.
aponeurotome
aponeurotomy
aponeurotomy
noun
(anatomy) dissection of aponeuroses
aponogetonaceous
aponogetonaceous
adj
(botany) Belonging to the Aponogetonaceae.
apopetalous
apopetalous
adj
(botany) Having distinct or free petals.
apostematous
apostematous
adj
Of or pertaining to an aposteme; having the nature of an aposteme; characterised by apostemes.
aposthume
apostume
apostume
noun
Obsolete form of aposteme.
apothecium
apothecium
noun
(lichenology & mycology) A type of fructification of some ascomycete fungi, forming cyst structures of various shapes. Often the fungal components of lichens have this sort of fertile structure.