A sudden breaking off; a violent separation of bodies.
absampere
acapsular
acapsular
adj
(botany) Having no capsule.
accepters
accepters
noun
plural of accepter
acceptors
acceptors
noun
plural of acceptor
accipiter
accipiter
noun
(medicine, surgery) A bandage applied over the nose, resembling the claw of a hawk.
(ornithology) Any hawk of the genus Accipiter.
achropsia
acidproof
acidproof
adj
Resistant to the corrosive effects of acid.
acipenser
acopyrine
acraspeda
acraspeda
noun
(zoology) A group of acalephs that includes most of the larger jellyfish
acrocarpi
acropathy
acropathy
noun
Any disease specific to the extremities.
acropetal
acropetal
adj
(botany) That develops, matures or opens from the base towards the apex in sequence.
acrophony
acrophony
noun
The naming of letters in an alphabetic writing system using words whose initial sounds are represented by the respective letters.
acropodia
acropodia
noun
plural of acropodium
acropolis
acropolis
noun
A promontory (usually fortified with a citadel) forming the hub of many Grecian cities, and around which many were built for defensive purposes before and during the classical period; compare Acropolis.
acrospire
acrospire
noun
(botany) The sprout at the end of a seed when it begins to germinate.
verb
To put forth the first sprout.
acrospore
acrospore
noun
A spore borne at the extremity of the cells of fructification in fungi.
actorship
actorship
noun
The state or quality associated with being an actor.
adderspit
adiaphora
adiaphora
noun
(nonstandard, uncommon) in singular use
plural of adiaphoron
adiaphory
adiaphory
noun
(obsolete) indifference
adipocere
adipocere
noun
A brown, fatty, waxy substance (fatty acids) that forms on dead animal tissues in response to hydrolysis
adoperate
adscripts
adscripts
noun
plural of adscript
aepyceros
aepyornis
aerograph
aerograph
noun
A kind of airbrush.
aeropathy
aeropathy
noun
illness caused by a change in atmospheric pressure
aeropause
aeropause
noun
The region of the atmosphere above which it is not possible for aircraft to fly
aerophagy
aerophagy
noun
(medicine) the swallowing of air, especially in hysteria.
aerophane
aerophane
noun
A thin fabric resembling crape
aerophile
aerophile
noun
(biology) Any air-breathing organism.
One who has an interest in flying.
aerophone
aerophone
noun
(dated) A form of combined speaking trumpet and ear trumpet.
(dated) An instrument for greatly intensifying speech, consisting of a phonograph diaphragm arranged so that its action opens and closes valves, producing synchronous air blasts sufficient to operate a larger diaphragm with greater amplitude of vibration.
Any musical instrument which produces sound primarily by causing a body of air to vibrate, without the use of strings or membranes, and without the vibration of the instrument itself adding considerably to the sound.
aerophore
aerophore
noun
(botany) A thin-walled area of the roots of some plants growing in swampy conditions through which gasses are exchanged.
(historical) A nineteenth-century device with breathing tubes used by miners and workmen in areas that contain toxic fumes.
(historical) A predecessor of the radio, invented by Rene Homer in the early 1900s for communication between ships.
(medicine) Aerophore pulmonaire; a respirator for use with neonates and small animals developed by French obstetrician Gairal in 1879.
(underwater diving, historical) A predecessor of the aqualung, invented by Benoit Rouquayrol and Auguste Denayrouze 1865
aerophoto
aerophoto
noun
Alternative form of aerophotograph
aerophyte
aerophyte
noun
(biology) epiphyte
aeroplane
aeroplane
noun
(aeronautics, archaic) An airfoil.
A powered heavier-than-air aircraft with fixed wings.
Any of various nymphalid butterflies, of various genera, having a slow gliding flight. Also called planes.
verb
(intransitive) To fly in an aeroplane.
(transitive) To transport by aeroplane.
aeropulse
aeropulse
noun
pulsejet
aeroscope
aeroscope
noun
A device used to collect dust particles, spores etc from the air for subsequent analysis.
A type of compressed air camera for making films, constructed by Polish inventor Kazimierz Prószyński in 1909
aeroscopy
aeroscopy
noun
(obsolete, meteorology) The branch of meteorology that involves the scientific examination of the various properties and composition of the atmosphere, and their variation
(rare) divination by observation of the sky
(zoology) aeroscepsy
aerospace
aerospace
adj
Of, or relating to the Earth's atmosphere and nearby space.
Of, or relating to the science, technology and industry associated with aircraft, missiles, satellites and spacecraft.
noun
The atmosphere of the Earth and the region of space around it.
The industry concerned with aircraft, missiles, satellites and spacecraft.
afterclap
afterclap
noun
(South Africa, historical) A canvas curtain or tailboard at the rear of a covered wagon.
(archaic) An additional adverse event that occurs unexpectedly after an earlier one was thought to be over and done with.
(archaic) An unfavourable turn of events following a favourable situation; an eventuality for which one ought to be prepared.
(humorous) A child born after the one that was intended to be the last.
(obsolete) A change or attempted change to an agreement after it has been entered into; an additional charge (especially one over and above the previously agreed-upon price).
(slang, obsolete) A sweet food, drink, or tobacco product consumed at the end of a meal.
(uncountable, medicine, obsolete) Urethral discharge as a symptom of gonorrhea.
A phenomenon occurring after a similar earlier one; a later manifestation of something.
A sound that follows another, especially a loud noise, such as thunder.
A symptom of an illness, especially one that appears after the initial onset; an illness or symptom caused by exposure to a substance, an injury, etc.
The consequence (often, but not always, adverse) of an action or event.
aftercrop
aftercrop
noun
A second crop in the same year.
afterdamp
afterdamp
noun
(mining) Suffocating gases present in a coal mine after an explosion caused by firedamp, consisting of carbon dioxide, carbon monoxide, nitrogen, and sometimes hydrogen sulfide.
afterhelp
afterhope
afterpain
afterpain
noun
(pathology, often in the plural) pain of uterine contractions experienced after childbirth (especially after passage of the placenta)
afterpart
afterpart
noun
A rear part
afterpast
afterpeak
afterpeak
noun
(nautical) The compartment nearest the stern in the hold of a ship
afterplay
afterplay
noun
In human sexual behavior, the erotic acts done after finishing sex.
aftership
agapornis
aggappera
aggappora
agitprops
agitprops
noun
plural of agitprop
agraphias
agraphias
noun
plural of agraphia
agriotype
agriotype
noun
An ancestral wild form of a domestic animal or plant.
agrippina
agropyron
agrypniai
agrypnias
agrypnode
agueproof
agueproof
adj
Resistant to the ague.
ailuropus
airphobia
airplaned
airplaned
verb
simple past tense and past participle of airplane
airplaner
airplanes
airplanes
noun
plural of airplane
verb
Third-person singular simple present indicative form of airplane
airproofs
airproofs
verb
Third-person singular simple present indicative form of airproof
airscapes
airscapes
noun
plural of airscape
airspaces
airspaces
noun
plural of airspace
airspeeds
airspeeds
noun
plural of airspeed
airstrips
airstrips
noun
plural of airstrip
albertype
albertype
noun
(historical) A picture printed from a kind of gelatine plate produced by means of a photographic negative.
alephzero
algraphic
algraphic
adj
Of or pertaining to algraphy.
alipteria
alkaphrah
allenport
allograph
allograph
noun
A signature made by one person for another.
A variant form of a letter (or other grapheme).
allomorph
allomorph
noun
(chemistry) Any of the different crystalline forms of a substance.
(linguistics) Any of the different phonological representations of a morpheme.
allopatry
allopatry
noun
(biology) The condition of being allopatric.
allophore
allotrope
allotrope
noun
(chemistry) Any form of an element that has a distinctly different molecular structure to another form of the same element.
(linguistics) An other form, a different shape of a lexical unit.
(philosophy) An alternative shape of a cognitive structure.
allotropy
allotropy
noun
(chemistry) A property, exhibited by some elements, of existing in multiple forms with different atomic structures.
alpargata
alpargata
noun
Synonym of espadrille
alpenhorn
alpenhorn
noun
Alternative spelling of alphorn
alpestral
alpheratz
alpheratz
Proper noun
A binary star in the constellation of Andromeda (formerly seen as part of Pegasus).
alpujarra
altigraph
altigraph
noun
An altimeter that makes a recording on a chart.
ambrotype
ambrotype
noun
(photography, historical) An early type of photograph in which a glass negative appears positive when displayed on a black background.
ametropia
ametropia
noun
(medicine) Any of several disorders of the eye (spherical or cylindrical) resulting from faulty refractive ability.
ametropic
ametropic
adj
(ophthalmology) Relating to or suffering from ametropia
amorphism
amorphism
noun
An amorphous quality.
amorphous
amorphous
adj
(by extension) Being without definite character or nature.
(by extension) Lacking organization or unity.
(physics) In the non-crystalline solid state of a typically crystalline solid.
(set theory, of a set) Infinite and not the disjoint union of two infinite subsets.
Lacking a definite form or clear shape.
amperages
amperages
noun
plural of amperage
ampersand
ampersand
noun
The symbol "&".
verb
(transitive, rare) To add an ampersand to.
amphigory
amphigory
noun
A nonsense verse; a rigmarole, with apparent meaning, which on further attention proves to be meaningless.
amphitron
amphitruo
amphorous
amplifier
amplifier
noun
(electronics) An appliance or circuit that increases the strength of a weak electrical signal without changing the other characteristics of the signal.
(linguistics) An adverb that adds intensity, such as "really" or "totally".
(music) A portable encasement that houses a large speaker, used to amplify voices and musical instruments at live performances.
A lens that enlarges the field of vision.
Anything that amplifies, or makes something larger or more intense.
ampullary
ampullary
adj
(biology, anatomy, medicine) Relating to the ampulla chyli.
(biology, anatomy, medicine) Relating to the ampulla of Vater.
(biology, anatomy, medicine) Relating to the ampullae osseae.
(biology, anatomy, medicine) Relating to the rectal ampulla.
amputator
amputator
noun
The person who performs, or thing that causes, an amputation.
anaphoral
anaphoral
adj
(Christianity) Relating to the anaphora.
anaphoras
anaphoras
noun
plural of anaphora
anaphoria
anaphoria
Noun
A tendency for both eyes to look upward.
anaphoric
anaphoric
adj
Of, or relating to, an anaphora.
anatropal
anatropal
adj
(botany) anatropous
anatropia
anatropia
noun
(medicine) A disorder of the vision. Deviation of the visual axis of one eye upwards when the other eye is fixing; anaphoria.
(medicine) A tendency for both eyes to look upward.
angiocarp
angiocarp
noun
(botany) An angiocarpous fruit
annapurna
annapurna
Proper noun
The Hindu goddess Durga.
name, used in India.
anophoria
anotropia
anteporch
anthocarp
anthocarp
noun
(botany) A collective, composite or aggregated fruit formed from an entire inflorescence, as in the sorosis of a pineapple or the syconus of a fig.
(botany) A composite false fruit, consisting of the actual fruit and the perianth.
(botany) A fruit formed by the union of the floral organs or part of them, with the fruit itself, as in Nyctagineae; also applied to fruits with accessories, sometimes termed pseudocarps, as the strawberry and pineapple.
(botany) A fruit resulting from many flowers, such as the pineapple; a fruit of which the perianth or the torus forms part.
(botany) In the Nyctaginaceae, individual apetalous flowers have a tubular, petaloid calyx that resembles a sympetalous corolla. The lower portion of the calyx tightly enwraps the one-seeded achene and is persistent around the fruit as an anthocarp. The calyx base plus the enclosed seed-bearing achene is the unit of dispersal.
(botany) Lower part of a perianth containing the fruit, the upper part having dropped away, well seen in plants of the family Nyctaginaceae.
anthropic
anthropic
adj
Of or pertaining to mankind or humans, or the period of humanity's existence.
anthropol
anthropos
anthropos
Proper noun
The primordial man/humanity.
anticreep
antigraph
antigraph
noun
(obsolete) A copy or transcript.
(textual criticism) A manuscript from which a copy (apograph) is made.
antipater
antipolar
antipolar
adj
Diametrically opposed.
Relating to or located at an antipole.
antiprime
antiprime
noun
(number theory) Synonym of highly composite number
antiprism
antiprism
noun
A polyhedron composed of two parallel copies of some particular polygon, connected by an alternating band of triangles.
antipyrin
antipyrin
noun
Alternative form of antipyrine
antipyryl
antitrope
antitropy
antitropy
noun
(botany) A disposition of opposed, asymmetric leaves where a pair of leaves displays bilateral symmetry.
antwerpen
apartheid
apartheid
noun
(South Africa, historical) The policy of racial separation used by South Africa from 1948 to 1990.
(by extension) A policy or situation of segregation based on some specified attribute.
(by extension) Any similar policy of racial separation/segregation and discrimination.
verb
To impose a policy of segregation of groups of people, especially one based on race.
apartment
apartment
noun
(archaic) A suite of rooms within a domicile, designated for a specific person or persons and including a bedroom.
(chiefly Canada, US, Philippines) A complete domicile occupying only part of a building, especially one for rent; a flat.
(computing, COM) A conceptual space used for separation in the threading architecture. Objects in one apartment cannot directly access those in another, but must use a proxy.
(obsolete) A division of an enclosure that is separate from others; a compartment
apartness
apartness
noun
(countable) The result or product of being apart.
(uncountable) The state or quality of being apart.
apatornis
apeldoorn
apenteric
aperients
aperients
noun
plural of aperient
aperiodic
aperiodic
adj
(mathematics, stochastic processes, of a state) for which any return to it may occur at irregular times; not periodic.
(physics) That does not have a periodic vibration
That does not recur periodically
aperitifs
aperitifs
noun
plural of aperitif
aperitive
aperitive
adj
(medicine) Tending to open the bowels; aperient
Serving as an apéritif: a pre-meal alcoholic drink.
noun
(medicine) aperient
apertness
apertness
noun
(archaic) openness; frankness
apertural
apertural
adj
Relating to an aperture.
apertured
apertured
adj
Having an aperture (or a specified type of aperture).
apertures
apertures
noun
plural of aperture
apheresis
apheresis
noun
(linguistics, prosody) Elision, suppression, or complete loss of a letter or sound (syllable) from the beginning of a word, such as the development of special from especial; procope.
(medicine, general, obsolete) Extirpation or extraction of a superfluity (especially a pathological one) from the body, especially blood.
(medicine, specific, still current) The removal of blood from a patient, and the removal of certain components (such as platelets) from that blood, followed by the transfusion of the filtered blood back to the donor (patient).
apheretic
apheretic
adj
US standard spelling of aphaeretic.
aphidozer
aphidozer
noun
A device like a hopperdozer for the removal of aphids.