(mineralogy) A basaltic-trachyandesite rock containing phenocrysts of olivine and augite
acknowledgement
acknowledgement
noun
(most common British spelling, also sometimes used in the US) Alternative spelling of acknowledgment
acknowledgements
acknowledgements
noun
plural of acknowledgement
acknowledgment
acknowledgment
noun
(law) A formal statement or document recognizing the fulfillment or execution of a legal requirement or procedure.
(law) The act of a person admitting a child as their own.
(telecommunications, computing, networking) A response (ACK) sent by a receiver to indicate successful receipt of a transmission (See Wikipedia article on transmission).
A message from the addressee informing the originator that the originator's communication has been received and understood.
A recognition as genuine or valid; an avowing or admission in legal form.
A reward or other expression or token of gratitude.
An expression of gratitude for a benefit or an obligation.
The act of acknowledging
The act of recognizing in a particular character or relationship; recognition of existence, authority, truth, or genuineness.
acknowledgments
acknowledgments
noun
plural of acknowledgment
ackton
ackworth
aeroplankton
aeroplankton
noun
The tiny lifeforms that float and drift in the air, carried by the current of the wind.
afterknowledge
afterknowledge
noun
Knowledge acquired later, or after the event.
afterreckoning
aftershock
aftershock
noun
(figuratively) By extension, any result or consequence following a major event.
An earthquake that follows in the same vicinity as another, usually larger, earthquake (the "mainshock").
Emotional and physical distress following a traumatic event.
aftershocks
aftershocks
noun
plural of aftershock
afterwork
afterworking
agathokakological
agathokakological
adj
(rare) Composed of both good and evil.
agkistrodon
ahepatokla
akenobeite
aketon
aketon
noun
(historical) A stuffed jacket worn under the mail, or (later) a jacket plated with mail.
akhetaton
akhmatova
akhnaton
akhrot
akhrot
noun
(India) A walnut.
akihito
akolouthia
akoluthia
akontae
akrochordite
akrochordite
noun
(mineralogy) A monoclinic-prismatic reddish brown mineral containing arsenic, hydrogen, magnesium, manganese, and oxygen.
akroter
akroteria
akroteria
noun
plural of akroterion
akroterial
akroterion
aktiebolag
aldoketene
alkalinisation
alkalinisation
noun
Alternative form of alkalinization
alkalinization
alkalinization
noun
The conversion of something to an alkali.
The process of becoming more alkaline.
alkalisation
alkalisation
noun
Alternative form of alkalization
alkalization
alkalization
noun
alkalinization
alkalometry
alkanethiol
alkanethiol
noun
(organic chemistry) Any simple aliphatic thiol.
alkapton
alkapton
noun
homogentisic acid
alkaptone
alkaptonuria
alkaptonuria
noun
(medicine) A rare inherited genetic disorder of phenylalanine and tyrosine metabolism, causing the accumulation and eventual excretion of alkapton.
alkaptonuric
alkaptonuric
adj
Relating to alkaptonuria
alkylarylsulfonate
alkylation
alkylation
noun
(organic chemistry) Any reaction in which an alkyl group is added to a molecule; used in the production of high-octane petroleum fuels.
alkylations
alkylations
noun
plural of alkylation
alkylbenzenesulfonate
alkylbenzenesulfonates
allokinetic
allokurtic
alpenstock
alpenstock
noun
a stout adjustable walking stick with a metal point, used by mountain climbers and walkers in hilly or uneven terrain
alpenstocker
alpenstocker
noun
A mountain-climber, especially one that uses an alpenstock.
alpenstocks
alpenstocks
noun
plural of alpenstock
amidoketone
aminoketone
aminoketone
noun
Any chemical compound containing both a ketone group and an amine.
ampherotokous
ampherotoky
amphikaryotic
amphitokal
amphitokous
amphitoky
anakinetomer
anakinetomeric
anakoluthia
anaktoron
anaktoron
noun
(historical, Ancient Greece) A palace that only hierophants were permitted to enter as part of the Eleusinian Mysteries.
angiokeratoma
angiokeratoma
noun
(medicine) A benign cutaneous lesion of capillaries, resulting in small marks of red to blue colour and characterized by hyperkeratosis.
angiokinetic
angiokinetic
adj
Relating to angiokinesis or to an angiokine
ankylenteron
ankylodactylia
ankylodontia
ankylopoietic
ankyloproctia
ankylostoma
ankylostomiasis
ankylostomiasis
noun
Alternative form of ancylostomiasis
ankylotia
ankylotic
ankylotic
adj
Of or pertaining to ankylosis.
ankylotome
ankylotomy
anotherkins
anotherkins
adj
(UK, regional, obsolete) Of another kind.
anthokyan
anthokyan
noun
(archaic) anthocyanin
antiblock
anticlockwise
anticlockwise
adj
(South Africa, Australia, New Zealand, British, Ireland, of movement) in a circular fashion so as to be moving to the left at the top of the circle and to the right at the bottom (when viewed from the front), in the opposite direction to the way the hands of an analogue clock move.
adv
(Australia, New Zealand, Britian, Ireland) In an anticlockwise fashion.
antikathode
antikathode
noun
Dated form of anticathode.
antikenotoxin
antiketogen
antiketogenesis
antiketogenesis
noun
The inhibition of ketogenesis
antiketogenic
antiketogenic
adj
(biochemistry) That inhibits the formation of ketones during the metabolism of fats and carbohydrates in the liver
antiknock
antiknock
adj
Of an additive added to petroleum/gasoline to reduce the occurrence of engine knock.
noun
Such a substance, usually tetraethyl lead (also MMT, MTBE and ethanol)
antiknocks
antiknocks
noun
plural of antiknock
antismokers
antismokers
noun
plural of antismoker
antismoking
antismoking
adj
Opposing or prohibiting smoking, particularly the smoking of tobacco
antistock
antistock
adj
(rare) Opposing the farming of livestock.
antitakeover
antitakeover
adj
(business) Countering a corporate takeover.
apokatastasis
apokatastasis
noun
Alternative form of apocatastasis
apokatastatic
apokatastatic
adj
Alternative form of apocatastatic
apolytikion
apolytikion
noun
A troparion chanted at Orthodox Christian worship services, summarizing the feast being celebrated that day.
archworkmaster
arkport
aroostook
arosaguntacook
arrenotokous
arrenotokous
adj
Alternative form of arrhenotokous
arrenotoky
arrenotoky
noun
Alternative form of arrhenotoky
arrhenotokous
arrhenotokous
adj
(zoology) Relating to arrhenotoky; producing males from unfertilized eggs.
arrhenotoky
arrhenotoky
noun
(biology) The production of male offspring by parthenogenesis.
artemovsk
artichoke
artichoke
noun
A dull green colour, like that of an artichoke.
A plant related to the thistle with enlarged flower heads eaten as a vegetable while immature, Cynara cardunculus var. scolymus.
artichokes
artichokes
noun
plural of artichoke
artukovic
artwork
artwork
noun
(uncountable) Artistic work.
(uncountable, reprographics) The graphical elements to be included in a reproduced work.
A painting, drawing, sculpture or other piece of creative, visual art.
artworks
artworks
noun
plural of artwork
aspartokinase
aspartokinase
noun
(organic chemistry) An enzyme that catalyzes the phosphorylation of the amino acid aspartate, the first step in the biosynthesis of three essential amino acids: methionine, lysine, and threonine.
asterikos
asterikos
noun
(Christianity, Eastern Orthodoxy) A metal cross that is placed over the diskos to prevent the veil from touching the host.
asteriskos
atikokania
atkinson
atkinson
Proper noun
An English and Irish patronymic surname.
atoka
atokal
atoke
atokous
atokous
adj
(zoology) Producing only asexual individuals.
attiwendaronk
autoalkylation
autokinesis
autokinesis
noun
A visual illusion in which a stationary source of light appears to move.
Spontaneous or voluntary movement; movement due to an internal cause.
autokinesy
autokinesy
noun
autokinesis
autokinetic
autokinetic
adj
(historical) Of a fire-alarm telegraphy system, arranged so that when one alarm is being transmitted, no other alarm, sent in from another point, will be transmitted until after the first alarm has been disposed of.
Moving by itself or automatically.
autokrator
automaker
automaker
noun
One who manufactures automobiles; typically used to refer to a large corporation such as General Motors.
automatonlike
automatonlike
adj
Like an automaton; robotic.
autoskeleton
autoskeleton
noun
(zoology) The true skeleton of a sponge, composed of elements secreted by the sponge itself.
autotruck
autoworkers
autoworkers
noun
plural of autoworker
avalokita
avalokitesvara
babakoto
babakoto
noun
A kind of large lemur, the indri (Indri indri).
backadation
backcloth
backcloth
noun
The painted scenery at the back of a stage; the backdrop.
backcountry
backcountry
noun
A remote region; countryside that is relatively inaccessible; the boondocks.
backcourt
backcourt
noun
(basketball) A team's defensive half of the court; the part of the court where the other team's basket is located, or the guards playing in that area.
(chiefly Scotland) A courtyard behind a housing block or tenement building.
backcourtman
backcourtman
noun
(basketball) A backcourt player.
backcourtmen
backcourtmen
noun
plural of backcourtman
backjoint
backjoint
noun
(architecture) A rebate or chase in masonry left to receive a permanent slab or other filling.
backlotter
backmost
backmost
adj
farthest back
backout
backout
noun
(aerospace) A reversed countdown (i.e. ascending numbers) in response to problems leading up to a launch.
A reversal or undoing of tasks previously done (often in reverse order).
backouts
backouts
noun
plural of backout
backpointer
backpointers
backstone
backstop
backstop
noun
(baseball) A wall or fence behind home plate.
(baseball, slang) A catcher; the position of catcher.
(cricket, dated) The longstop.
(cricket, dated) The wicket-keeper.
(espionage) Something serving to bolster or support a cover story etc.
(rounders) The player who stands immediately behind the striking base.
A default arrangement that holds if all else fails.
A thing or a person put in the rear or in the back of something to reinforce, hold, support.
verb
(transitive) To bolster, support.
(transitive) To serve as backstop for.
backstopped
backstopped
verb
simple past tense and past participle of backstop
backstopping
backstopping
verb
present participle of backstop
backstops
backstops
noun
plural of backstop
verb
Third-person singular simple present indicative form of backstop
backstories
backstories
noun
plural of backstory
backstroke
backstroke
noun
(bellringing) The pull on the tail of the rope that swings the bell through a full circle (compare handstroke)
(swimming) A stroke swum lying on one's back, while rotating both arms through the water as to propel the swimmer backwards.