(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
adultlike
adultlike
adj
Resembling or characteristic of an adult
aeroplankton
aeroplankton
noun
The tiny lifeforms that float and drift in the air, carried by the current of the wind.
aettekees
afterattack
afterdeck
afterdeck
noun
(nautical) The part of a ship's deck from amidships toward the stern
afterdecks
afterdecks
noun
plural of afterdeck
afterking
afterknowledge
afterknowledge
noun
Knowledge acquired later, or after the event.
aftermark
aftermarket
aftermarket
noun
(business) The industry that serves that market.
(business) The market for further goods and services, such as replacement parts and accessories, subsequent to the sale of a product such as an automobile or computer.
(finance) Trading activity in a security immediately following its initial offering to the public.
verb
(business) To sell goods or services in the aftermarket.
aftermarkets
aftermarkets
noun
plural of aftermarket
aftermilk
afterpeak
afterpeak
noun
(nautical) The compartment nearest the stern in the hold of a ship
afterrake
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
aftertask
afterthinker
afterthinker
noun
One who acts first and thinks afterwards.
afterwork
afterworking
agatelike
agatelike
adj
Resembling or characteristic of agate.
agathokakological
agathokakological
adj
(rare) Composed of both good and evil.
agitpunkt
agkistrodon
ahantchuyuk
ahepatokla
aikinite
aikinite
noun
(mineralogy) A sulfide mineral of lead, copper and bismuth.
aitken
aitkenite
aitkin
aitkin
Proper noun
a city in Minnesota, USA
aitutakian
akamatsu
akamatsu
noun
The Japanese red pine, Pinus densiflora.
akenobeite
akerite
akerite
noun
(mineralogy) Various varieties of calcialkalic microsyenite and micromonzonite.
aketon
aketon
noun
(historical) A stuffed jacket worn under the mail, or (later) a jacket plated with mail.
akhenaten
akhenaten
Proper noun
given name
akhetaton
akhmatova
akhnaton
akhrot
akhrot
noun
(India) A walnut.
akihito
akinete
akinete
noun
(biology) A thick-walled, dormant cell found in cyanobacteria and green algae
akinetic
akinetic
adj
Of or pertaining to akinesia: akinesic.
akita
akkadist
akmite
akolouthia
akoluthia
akontae
akrabattine
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
akrteria
aktiebolag
aktiengesellschaft
aktistetae
aktistete
aktivismus
aktivist
aktyubinsk
akutagawa
akutan
akvavit
akvavit
noun
Alternative spelling of aquavit
akvavits
akvavits
noun
plural of akvavit
alaskaite
alaskite
alaskite
noun
(geology) A form of granite composed chiefly of quartz and feldspars
aldoketene
aleknight
alestake
alestake
noun
(historical) A stake or pole serving as a sign at an alehouse or inn, often with a garland or "bush" attached.
alitrunk
alitrunk
noun
(zoology) The segment of an insect's body to which the wings are attached; the thorax or mesosoma.
alkahest
alkahest
noun
(now historical) A universal solvent sought by the alchemists.
alkahestic
alkahestic
adj
Resembling or relating to alkahest.
alkahestica
alkahestical
alkahestical
adj
Alternative form of alkahestic
alkahests
alkahests
noun
plural of alkahest
alkalescent
alkalescent
adj
Slightly alkaline; having the properties of an alkali.
alkalimeter
alkalimeter
noun
A device used to measure alkalinity.
alkalimeters
alkalimeters
noun
plural of alkalimeter
alkalimetric
alkalimetric
adj
(chemistry) Describing a titration in which the titrant is an alkali.
alkalimetrical
alkalimetrical
adj
Alternative form of alkalimetric
alkalimetrically
alkalimetrically
adv
By means of alkalimetry.
alkalimetry
alkalimetry
noun
The process of determining the strength of an alkali.
alkalinisation
alkalinisation
noun
Alternative form of alkalinization
alkalinities
alkalinities
noun
plural of alkalinity
alkalinity
alkalinity
noun
(chemistry) The state of being, or the degree to which a thing is, alkaline.
alkalinization
alkalinization
noun
The conversion of something to an alkali.
The process of becoming more alkaline.
alkalisation
alkalisation
noun
Alternative form of alkalization
alkalizate
alkalizate
adj
(archaic) Alkaline.
alkalization
alkalization
noun
alkalinization
alkalometry
alkanet
alkanet
noun
Alkanna tinctoria, a plant whose root is used as a red dye.
Anchusa barrelieri (false alkanet).
Anchusa ochroleuca (yellow alkanet).
Anchusa officinalis (common bugloss), a similar plant.
Lithospermum arvense (bastard alkanet or field gromwell).
Other plants of the genus Alkanna.
Pentaglottis sempervirens (green alkanet), a blue-flowered plant with evergreen leaves.
Puccoon (Sanguinaria canadensis).
The dyeing matter extracted from the plant, giving a deep red colour.
alkanethiol
alkanethiol
noun
(organic chemistry) Any simple aliphatic thiol.
alkanets
alkanets
noun
plural of alkanet
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
alkatively
alkitran
alkylarylsulfonate
alkylate
alkylate
verb
(organic chemistry) To add one or more alkyl groups to a compound, especially by reacting with an alkylating agent
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
alkylating
alkylating
verb
present participle of alkylate
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
alnitak
alnitak
Proper noun
A triple star in the constellation of Orion; Zeta (ζ) Orionis. It is one of the three stars that form Orion's Belt.
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
altilik
altilik
noun
(historical) A Turkish coin worth six piastres.
altininck
amalekite
amalekite
Noun
A descendent of the Biblical Amalek.
amchitka
amethystlike
amidoketone
aminoketone
aminoketone
noun
Any chemical compound containing both a ketone group and an amine.
ampherotokous
ampherotoky
amphikaryotic
amphitokal
amphitokous
amphitoky
amtrack
amtracks
amtracks
noun
plural of amtrack
amtrak
anakinetic
anakinetomer
anakinetomeric
anakoluthia
anaktoron
anaktoron
noun
(historical, Ancient Greece) A palace that only hierophants were permitted to enter as part of the Eleusinian Mysteries.
analkalinity
anankastic
anankastic
adj
(linguistics) Imperative, as in the anankastic conditional.
(psychology) Characterised by compulsion; obsessive-compulsive.
andikithira
angakut
angekut
angiokeratoma
angiokeratoma
noun
(medicine) A benign cutaneous lesion of capillaries, resulting in small marks of red to blue colour and characterized by hyperkeratosis.