anticoagulant
A substance that prevents coagulation (stops blood from clotting); especially, any of a group of pharmaceutical drugs that reduce the clotting speed or affinity of the blood by any of several mechanisms (e.g., inhibiting platelet function, inhibiting clotting factor (protein) production or function, increasing antithrombin function).

anticoagulants
plural of anticoagulant

anticoagulent
Misspelling of anticoagulant.

anticoherer
A device, one form of which consists of a scratched deposit of silver on glass, used in connection with the receiving apparatus for reading wireless signals. The electric waves falling on this device increase its resistance several times.

anticoherers
plural of anticoherer

anticounter
A device that allows a scintillator to reject false triggers.

anticounters
plural of anticounter

anticrystal
a perfectly disordered solid

anticrystals
plural of anticrystal

antidora
plural of antidoron

antidoron
A piece of ordinary leavened bread, taken from remnants of loaves used for the Eucharist, which has been blessed but not consecrated; distributed in churches that use the Byzantine Rite.

antidot
A small, circular region of opposite charge or magnetization, especially one that is part of a semiconductor device

antidots
plural of antidot

antifeature
Alternative form of anti-feature.

antifeatures
plural of antifeature

antiferroquadrupole
antiferromagnetic quadrupole

antiferroquadrupoles
plural of antiferroquadrupole

antifreeze
A substance, such as glycol, used to lower the freezing point of water.
Automotive antifreeze, a solution of ethylene glycol, used as an additive to water or a replacement for water, in the radiator of a motorcar.
A deicer, a heated glycol solution used to remove ice from the aerodynamic surfaces of an airplane, and to prevent icing while on the tarmac.

antifreezes
plural of antifreeze

antigrav
Antigravity, or a device that counters gravity.

antigravity
Alternative spelling of anti-gravity.

antigravs
plural of antigrav

antigriddle
A device for rapidly freezing food, a cold flat metal surface, used in molecular gastronomy.

antigriddles
plural of antigriddle

antihorizon
The opposite of an event horizon, allowing escape but not entry.

antihuff
A substance of uncertain composition once used to adulterate cheese to prevent it from swelling.

antihum
A device that reduces the mechanical vibration of telegraph wires to prevent their making a humming sound.

antihums
plural of antihum

antikathode
Dated form of anticathode.

antikathodes
plural of antikathode

antiperspirant
A substance used to minimize sweating or perspiration, and usually applied to the underarm area.

antiperspirants
plural of antiperspirant

antiqua
Alternative form of Antiqua (“style of typeface”).

antiquas
plural of antiqua

antirattler
A device designed to silence the rattling noise of some other component.

antirattlers
plural of antirattler

antirepeater
Any of several electrical or mechanical devices that limit an operation to a single cycle.

antirepeaters
plural of antirepeater

antischizophrenic
Counteracting schizophrenia.

antischizophrenics
plural of antischizophrenic

antisplasher
A device in a sink or toilet to prevent splashing.

antisplashers
plural of antisplasher

antispreader
Any of several devices that prevent spreading

antispreaders
plural of antispreader

antiswitches
plural of antiswitch

antitelephone
A hypothetical device, used in thought experiments on causality, that could be used to send signals into one's own past.

antitelephones
plural of antitelephone

antitermination
A mechanism that prevents premature termination of DNA transcription.

antitheses
plural of antithesis

antithesis
A proposition that is the diametric opposite of some other proposition.
A device by which two contrasting ideas are juxtaposed in parallel form; a figure of speech arranged in this manner
The second stage of a dialectical process in which the thesis is negated.

antivibrator
A device attached to a vehicle or machine, etc. to reduce vibrations.

antivibrators
plural of antivibrator

antroscope
An instrument that is used to inspect the maxillary antrum

antroscopes
plural of antroscope

apa
A title used for male clergy or saints in the Coptic Church.

apartment
A complete domicile occupying only part of a building, especially one for rent; a flat.
A suite of rooms within a domicile, designated for a specific person or persons and including a bedroom.
A room within a house.
A division of an enclosure that is separate from others; a compartment.
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.

apartments
plural of apartment

apas
plural of apa

apertometer
An instrument designed to measure the numerical aperture of a lens or objective of a microscope.

apertometers
plural of apertometer

aperture
A small or narrow opening, gap, slit, or hole.
A hole which restricts the diameter of the lightpath through one plane in an optical system.
A hole which restricts the diameter of the lightpath through one plane in an optical system.
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.
The maximum angle between the two generatrices.

apertures
plural of aperture

apeture
Misspelling of aperture.

aphidozer
A device like a hopperdozer for the removal of aphids.

aphidozers
plural of aphidozer

aphrometer
A device used to measure the pressure within a bottle of sparkling wine.

aphrometers
plural of aphrometer

apidictor
An instrument which measures and records the sounds in a beehive.

apidictors
plural of apidictor

apodizer
Any of several devices that permit apodization of an optical or electrical signal

apodizers
plural of apodizer

apomecometer
An instrument for measuring the heights of buildings etc.

apomecometers
plural of apomecometer

apotome
The difference between two quantities or lengths commensurable only in power, as between 1 and the square root of 2, or between the diagonal and side of a square.
The remaining part of a whole tone after a minor second has been deducted from it; an augmented unison. Most commonly used to refer to the Pythagorean chromatic semitone, which has a ratio of 2187/2048.
A distinct division of an insect which is divided from the other divisions by a pinch point.

apotomes
plural of apotome

app
An application (program), especially a small one designed for a mobile device.
application (use, purpose; not a computer program)
application (to a college etc.)

apparate
apparatus

apparates
plural of apparate

apparati
plural of apparatus

apparatus
The entirety of means whereby a specific production is made existent or task accomplished.
A complex machine or instrument.
An assortment of tools and instruments.
A bureaucratic organization, especially one influenced by political patronage.
A vehicle used for emergency response.
Any of the equipment on which the gymnasts perform their movements.
Any of the objects that the gymnasts wield while performing and used as part of the performance itself.
A complex, highly modified weapon (typically not a firearm); a weaponized “Rube Goldberg machine.”
In an edition, a system of notations providing information, especially regarding variant readings of a text (a critical apparatus)

apparatuses
plural of apparatus

apparatusses
plural of apparatus

appartement
Misspelling of apartment.

appbar
A toolbar, anchored to an edge of the user's desktop, providing quick access to programs or features.

appbars
plural of appbar

appender
A software component that appends data to a computer file.

appenders
plural of appender

appertainance
Dated form of appurtenance.

appertainances
plural of appertainance