(medicine, surgery) A bandage applied over the nose, resembling the claw of a hawk.
(ornithology) Any hawk of the genus Accipiter.
acipenser
acopyrine
acraspeda
acraspeda
noun
(zoology) A group of acalephs that includes most of the larger jellyfish
acropetal
acropetal
adj
(botany) That develops, matures or opens from the base towards the apex in sequence.
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.
adderspit
adipocere
adipocere
noun
A brown, fatty, waxy substance (fatty acids) that forms on dead animal tissues in response to hydrolysis
adoperate
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
aggappera
agriotype
agriotype
noun
An ancestral wild form of a domestic animal or plant.
agrypnode
agueproof
agueproof
adj
Resistant to the ague.
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
airscapes
airscapes
noun
plural of airscape
airspaces
airspaces
noun
plural of airspace
airspeeds
airspeeds
noun
plural of airspeed
albertype
albertype
noun
(historical) A picture printed from a kind of gelatine plate produced by means of a photographic negative.
alephzero
alipteria
allenport
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.
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).
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
amperages
amperages
noun
plural of amperage
ampersand
ampersand
noun
The symbol "&".
verb
(transitive, rare) To add an ampersand to.
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.
anteporch
anticreep
antipater
antiprime
antiprime
noun
(number theory) Synonym of highly composite number
antitrope
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.
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.
aphorised
aphorised
verb
simple past tense and past participle of aphorise
aphoriser
aphoriser
noun
An aphorist.
aphorises
aphorises
verb
Third-person singular simple present indicative form of aphorise
aphorized
aphorized
verb
simple past tense and past participle of aphorize
aphorizer
aphorizer
noun
Alternative form of aphoriser
aphorizes
aphorizes
verb
Third-person singular simple present indicative form of aphorize
aphrizite
aphrodite
aphrodite
noun
(mineralogy) A soft and earthy mineral of a white or yellowish color, and with a waxy lustre, found at Langbanshytta in Sweden. It is a hydrated silicate of magnesia, and resembles meerschaum.
aphrolite
aplectrum
apocenter
apocenter
noun
(astronomy) The furthest point of an astronomical object in an elliptical orbit to its center of attraction (the principal focus of the ellipse)
apocentre
apocentre
noun
Alternative form of apocenter
apocrenic
aporphine
aporphine
noun
(organic chemistry) One of a class of quinoline alkaloids from which apomorphine can be derived.
aporrhoea
aportoise
apparance
appareled
appareled
verb
simple past tense and past participle of apparel
apparence
apparence
noun
Alternative form of apparency
apparency
apparency
noun
(obsolete) Appearance.
The position of being heir apparent.
The quality of being apparent; apparentness.
appeacher
appeacher
Noun
An accuser.
appealers
appealers
noun
plural of appealer
appearers
appearers
noun
plural of appearer
appearing
appearing
noun
appearance; act of coming into view
verb
present participle of appear
appeasers
appeasers
noun
plural of appeaser
appellors
appenders
appenders
noun
plural of appender
appertain
appertain
verb
To belong as a part, right, possession, attribute, etc.
To belong to or be a part of, whether by right, nature, appointment, or custom; to relate to.
appertise
appetiser
appetiser
noun
Alternative spelling of appetizer.
appetizer
appetizer
noun
A small, light, and usually savory first course in a meal
Something that creates or increases excitement for what is to follow.
applauder
applauder
noun
One who applauds.
applecart
applecart
noun
A barrow from which apples and other fruit were formerly sold in the street
A planned situation.
appledorf
appleroot
appointer
appointer
noun
A person who appoints (in any sense).
appraised
appraised
verb
simple past tense and past participle of appraise
appraiser
appraiser
noun
One who performs appraisals.
appraises
appraises
verb
Third-person singular simple present indicative form of appraise
apprecate
apprehend
apprehend
verb
(also figuratively) To take possession of (something); to seize.
(archaic or obsolete, also figuratively) To seize or take (something); to take hold of.
(law enforcement) To seize or take (a person) by legal process; to arrest.
To acknowledge the existence of (something); to recognize.
To anticipate (something, usually unpleasant); especially, to anticipate (something) with anxiety, dread, or fear; to dread, to fear.
To be apprehensive; to fear.
To be of opinion, believe, or think; to suppose.
To be or become aware of (something); to perceive.
To feel (something) emotionally.
To have a conception of (something); to consider, to regard.
To learn (something).
To take hold of (something) with understanding; to conceive (something) in the mind; to become cognizant of; to understand.
appressed
appressed
adj
(biology, mycology) Closely flattened down.
verb
simple past tense and past participle of appress
appressor
appreteur
apprisers
apprisers
noun
plural of appriser
apprizers
apprizers
noun
plural of apprizer
approbate
approbate
adj
Approved.
verb
(transitive) To give official sanction, consent or authorization to.
approvers
approvers
noun
plural of approver
aprilette
apronless
apronless
adj
Without an apron.
apronlike
apronlike
adj
Resembling an apron.
aprosexia
aprosexia
noun
(psychology) Inability to concentrate.
apsarases
apteryges
apteryxes
apteryxes
noun
plural of apteryx
apyrexial
apyrexial
adj
(medicine) Relating to apyrexy.
apyrotype
arapahite
arapahite
noun
(mineralogy) A dark, fine-grained magnetite basalt mineral.
arapahoes
arapeshes
archetype
archetype
noun
(literature) A character, object, or story that is based on a known character, object, or story.
(psychology) According to Swiss psychologist Carl Jung: a universal pattern of thought, present in an individual's unconscious, inherited from the past collective experience of humanity.
(textual criticism) A protograph (“original manuscript of a text from which all further copies derive”).
An ideal example of something; a quintessence.
An original model of which all other similar concepts, objects, or persons are merely copied, derivative, emulated, or patterned; a prototype.
verb
To depict as, model using, or otherwise associate an object or subject with an archetype.
archpiece
areopagus
areopagus
Noun
The supreme judicial and legislative council of ancient Athens
arpeggios
arpeggios
verb
Third-person singular simple present indicative form of arpeggio