(chemistry) To react with acetic acid or one of its derivatives; to introduce one or more acetyl groups into a substance
acetylene
acetylene
noun
(organic chemistry, countable) Any organic compound having one or more carbon–carbon triple bonds; an alkyne.
(organic chemistry, uncountable) Ethyne; the simplest alkyne, a hydrocarbon of formula HC≡CH. It is a colourless, odorless, extremely flammable, explosive gas, formerly used as an illuminating gas, but now used in welding and metallurgy.
A lamp powered by acetylene, particularly a motor vehicle headlight.
acetylide
acetylide
noun
(organic chemistry) Any organic compound derived from acetylene or a terminal acetylene by replacing a hydrogen atom with a metal.
acetylize
acetylize
verb
Synonym of acetylate
acoumetry
acoumetry
noun
The measuring of the power or extent of hearing.
acrylates
acrylates
noun
plural of acrylate
actipylea
adenocyst
adenotomy
adenotomy
noun
(anatomy, surgery) Dissection of, or incision into, a gland or glands.
adipocyte
adipocyte
noun
(cytology) a type of cell, present in adipose tissue, where fat is stored as a source of energy
adoptedly
adoptedly
adv
In a manner of something adopted.
adversity
adversity
noun
(countable) An event that is adverse; calamity.
(uncountable) The state of adverse conditions; state of misfortune or calamity.
aeriality
aeriality
noun
The state of being aerial or airy; insubstantiality.
aerometry
aerometry
noun
The science of measuring the air, including its pressure, rarefaction, and condensation; pneumatics.
aeropathy
aeropathy
noun
illness caused by a change in atmospheric pressure
aerophyte
aerophyte
noun
(biology) epiphyte
aeroyacht
aeroyacht
noun
(archaic) aeroboat
aetiology
aetiology
noun
(medicine, countable) A cause of disease or of any particular case of a disease (but see pathology § Usage notes).
(medicine, uncountable) The study or investigation of the causes of disease; a scientific explanation for the origin of a disease.
The establishment of a cause, origin, or reason for something.
The study of causes or causation.
afterbody
afterbody
noun
(astronautics) A section or piece of a launch vehicle, rocket, or spacecraft that enters the atmosphere unprotected behind the nose cone or other body that is protected for entry.
(astronomy) A companion body that trails a satellite or spacecraft.
(nautical) The part of a vessel abaft midships.
The afterpart of a vehicle.
afterdays
afterdays
noun
(archaic) Days that follow; a later time or period; (figuratively) people in the future.
afterplay
afterplay
noun
In human sexual behavior, the erotic acts done after finishing sex.
agriotype
agriotype
noun
An ancestral wild form of a domestic animal or plant.
ailantery
albertype
albertype
noun
(historical) A picture printed from a kind of gelatine plate produced by means of a photographic negative.
alectryon
alertedly
aletocyte
algometry
algometry
noun
(medicine) The scientific measurement of responses to pain stimuli.
alkylated
alkylated
adj
That has been modified by alkylation
verb
simple past tense and past participle of alkylate
alkylates
alkylates
verb
Third-person singular simple present indicative form of alkylate
allayment
allayment
noun
Something that allays; mitigation
allectory
allometry
allometry
noun
(biology) Disproportionate growth of a part of a living organism in relation to the whole.
(biology) The science studying the differential growth rates of the parts of a living organism.
allottery
allottery
noun
(obsolete) Allotment. portion, allocation.
allotypes
allotypes
noun
plural of allotype
alphatype
alterably
alterably
adv
In an alterable manner.
alternacy
alternacy
noun
alternateness; alternation
alternity
alternity
noun
(archaic) alternation
The concept that there exist alternate worlds or universes to the one in which we live.
altimetry
altimetry
noun
The science of measuring altitude.
amatively
amatively
adv
In an amative manner.
ambrotype
ambrotype
noun
(photography, historical) An early type of photograph in which a glass negative appears positive when displayed on a black background.
amebocyte
amebocyte
noun
Alternative spelling of amoebocyte
ametaboly
amethysts
amethysts
noun
plural of amethyst
ammodytes
ammodytes
noun
plural of ammodyte
ampholyte
ampholyte
noun
(chemistry) An amphoteric electrolyte
anaesthyl
anaptyxes
anaptyxes
noun
plural of anaptyxis
anciently
anciently
adv
Done long ago.
In the manner of very long ago. As the ancients did.
(archaic) Something ancient (countable); ancient things (collectively).
(archaic) The olden days; antiquity.
(archaic) The quality or fact of being ancient or very old.
andesytes
andesytes
noun
plural of andesyte
androcyte
anhydrate
anhydrate
noun
(chemistry) The anhydrous form of a normally hydrated compound
(organic chemistry) An acid anhydride
verb
To dehydrate, especially in food processing.
anhydrite
anhydrite
noun
(mineralogy) An evaporite mineral made of anhydrous calcium sulfate.
animately
animately
adv
In an animate manner.
annoyment
annoyment
noun
(countable) Something annoying; a nuisance.
(uncountable) Annoyance.
antennary
antennary
adj
(organic chemistry) branching
Relating to antennae or feelers
antetypes
antetypes
noun
plural of antetype
antiquely
antiquely
adv
In an antique manner.
antitypes
antitypes
noun
plural of antitype
anystidae
anywither
anywither
adv
Archaic form of anywhither.
appetency
appetency
noun
Strong desire; craving; powerful instinct.
applyment
apteryges
apteryxes
apteryxes
noun
plural of apteryx
apyrotype
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.
archicyte
arcuately
arcuately
adv
In an arcuate way.
arenosity
arenosity
noun
The quality or degree of being arenose.
areometry
areometry
noun
The study of the measurement of specific gravity of liquids.
areostyle
areostyle
noun
Alternative form of araeostyle
aretalogy
aretalogy
noun
A form of sacred biography in which a deity's attributes are listed, in the form of poem or text, in the first person.
arrayment
arrectary
arrectary
noun
(obsolete) A vertical beam or post.
arterying
artillery
artillery
noun
(archaic) Weapons.
An army unit that uses such weapons, or a military formation using projectile weapons, such as archers.
Gunnery.
Large projectile weapons, in modern usage usually large guns, but also rocket artillery.
artlessly
artlessly
adv
In an artless manner.
arytenoid
arytenoid
adj
(anatomy) Relating to or being an arytenoid cartilage.
(anatomy) Relating to or being an arytenoid muscle.
noun
(anatomy) Ellipsis of arytenoid cartilage..
(anatomy) Ellipsis of arytenoid muscle..
assertory
assertory
adj
Affirming; maintaining.
assyntite
astrocyte
astrocyte
noun
(neurology) A neuroglial cell, in the shape of a star, in the brain.
astrogeny
astrogeny
noun
The creation or evolution of the stars or heavens.
asymmetry
asymmetry
noun
Absence of symmetry or proportion between the parts of a thing, or a distinction that produces such a lack of symmetry.
The lack of a common measure between two objects or quantities; incommensurability.
asymptote
asymptote
noun
(by extension, figuratively) Anything which comes near to but never meets something else.
(mathematical analysis) A straight line which a curve approaches arbitrarily closely as it goes to infinity. The limit of the curve; its tangent "at infinity".
verb
(mathematical analysis) To approach, but never quite touch, a straight line, as something goes to infinity.
asymtotes
asyndetic
asyndetic
adj
(grammar) Not connected by a conjunction.
(psychiatry) Relating to asyndesis.
asyndeton
asyndeton
noun
(rhetoric) A stylistic scheme in which conjunctions such as "or" and "and" are deliberately omitted from a series of words, phrases, or clauses.
atheology
atheology
noun
Antagonism to theology; the study or profession of atheism.
athrocyte
athrocyte
noun
(biology) A cell that ingests foreign particles
athyridae
atmolyses
atmolyses
verb
Third-person singular simple present indicative form of atmolyse
atmolyzer
atmolyzer
noun
(chemistry) An apparatus for carrying out atmolysis.
atmometry
atmometry
noun
The measurement of the rate of evaporation of a liquid.
attensity
atterbury
attorneys
attorneys
noun
plural of attorney
aulophyte
aureately
austerely
austerely
adv
In an austere manner.
austerity
austerity
noun
(economics) A policy of deficit-cutting, which by definition requires lower spending, higher taxes, or both.
(obsolete) Sourness and harshness to the taste.
Freedom from adornment; plainness; severe simplicity.
Severity of manners or life; extreme rigor or strictness; harsh discipline.
autexousy
authotype
autocycle
autocycle
noun
(US) A three-wheeled vehicle with an enclosed cabin, where passengers ride in seats instead of astride the body.
A hybrid between motorcycle and automobile, with a drive system like a motorcycle and rider amenities like a car.
A vehicle somewhat like a moped, having a small motor where the pedals would be, and a petrol tank located within the frame.
autodynes
autodynes
noun
plural of autodyne
autolyzed
autolyzed
verb
simple past tense and past participle of autolyze
autolyzes
autolyzes
verb
Third-person singular simple present indicative form of autolyze
autometry
autometry
noun
(mathematics) An isometry of a metric space to itself
autophyte
autophyte
noun
Any plant capable of synthesizing its own food from simple organic substances
autotypes
autotypes
noun
plural of autotype
aventayle
avertedly
avertedly
adv
In an averted manner; turned away.
aydelotte
azeotropy
azeotropy
noun
(physics, chemistry) The formation of an azeotrope; the condition of being azeotropic
baileyton
bapistery
barklyite
barklyite
noun
A magenta-coloured turbid variety of ruby from Victoria, Australia.
barometry
barometry
noun
The art or process of making barometrical measurements.
baronetcy
baronetcy
noun
The rank of a baronet.
barrulety
barytones
barytones
noun
plural of barytone
bathylite
battycake
batyphone
bayoneted
bayoneted
adj
(US) Alternative form of bayonetted
verb
(US) simple past tense and past participle of bayonet
baysmelts
beastlily
beastlily
adv
In a beastly manner.
beautydom
beautydom
noun
The estate or rank of a beauty or of beautiful women.
beetrooty
beetrooty
adj
Containing beetroot.
Resembling or characteristic of beetroot in colour, texture, etc.
belatedly
belatedly
adv
In a belated manner; tardily.
bemajesty
benignity
benignity
noun
(countable) A benign act.
(uncountable) The state of being benign.
beryllate
beryllate
noun
(inorganic chemistry) The anion BeO₂²⁻ or any salt containing this anion