(organic chemistry) The breakdown of an organic compound using either acetic acid or acetic anhydride
acetolytic
acetolytic
adj
Relating to acetolysis.
acetometrical
acetometrically
acetonitrile
acetonitrile
noun
(organic chemistry) The simplest organic cyanide or nitrile, CH₃CN, formally derived from acetic acid
acetonyl
acetonyl
noun
(organic chemistry) The univalent radical CH₃-CO-CH₂- formally derived from acetone
acetonylacetone
acetonylacetone
noun
(organic chemistry) The aliphatic diketone 2,5-hexanedione
acetonylidene
acetonylidene
noun
(organic chemistry) The divalent radical CH₃-CO-CH= formally derived from acetone
acetosalicylic
acetosoluble
acetosoluble
adj
(chemistry) soluble in acetic acid
acetotoluid
acetotoluide
acetotoluide
noun
(organic chemistry) The N-acetyl derivative of a toluidine
acetotoluidine
acetoxyl
acetoxyl
noun
(organic chemistry) The acetate group, CH₃COO-, when viewed as a substituent
acetoxyls
acetoxyls
noun
plural of acetoxyl
acetoxyphthalide
acettoluide
acetylacetonates
acetylacetonates
noun
plural of acetylacetonate
acetylacetone
acetylacetone
noun
(organic chemistry) The diketone CH₃COCH₂COCH₃ used as a solvent and as a coordination ligand
acetylaminobenzene
acetylation
acetylation
noun
(organic chemistry) The reaction of a substance with acetic acid or one of its derivatives; the introduction of one or more acetyl groups into a substance.
acetylations
acetylations
noun
plural of acetylation
acetylator
acetylator
noun
(biochemistry) A human being or other organism that can metabolize certain drugs by acetylating them (to a greater or lesser extent).
acetylbenzoate
acetylbenzoic
acetylcarbazole
acetylcellulose
acetylcholine
acetylcholine
noun
(biochemistry) A neurotransmitter in humans and other animals. It is an ester of acetic acid and choline with chemical formula CH₃COOCH₂CH₂N⁺(CH₃)₃.
acetylcholinesterase
acetylcholinesterase
noun
(biochemistry) An enzyme that catalyzes the hydrolysis of the neurotransmitter acetylcholine into choline and acetic acid.
acetylcholinic
acetylcholinic
adj
(biochemistry) Of or relating to acetylcholine.
acetylenation
acetylenation
noun
(organic chemistry) Conversion into, or reaction with an acetylene
acetylenogen
acetylfluoride
acetyliodide
acetylization
acetylization
noun
Synonym of acetylation
acetylmethylcarbinol
acetylmethylcarbinol
noun
(organic chemistry) acetoin
acetylperoxide
acetylphenol
acetylrosaniline
acetylsalol
acetylthymol
acetyltropeine
acheilous
acheilous
adj
(obsolete, pathology) lipless
achelous
achelous
Proper noun
a river in western Greece
Deity of water; later, patron deity of the Achelous River.
acherontical
achitophel
achlamydeous
achlamydeous
adj
(botany) having no perianth
acholoe
achromatizable
achromatophile
achromatophile
adj
Being or relating to an achromatophil.
acichloride
acidophile
acidophile
noun
A plant that thrives in relatively acid soil.
An organism that lives and thrives under acidic conditions; a form of extremophile.
acidophiles
acidophiles
noun
plural of acidophile
acidoproteolytic
acidoproteolytic
adj
Relating to acidoproteolytes
acidulousness
acidulousness
noun
A state of or tendency toward being acidulous or somewhat sour or acid.
acinacifoliate
acknowledge
acknowledge
verb
(transitive) To admit the knowledge of; to recognize as a fact or truth; to declare one's belief in
(transitive) To be grateful of (e.g. a benefit or a favour)
(transitive) To own as genuine or valid; to assent to (a legal instrument) to give it validity; to avow or admit in legal form.
(transitive) To own or recognize in a particular quality, character or relationship; to admit the claims or authority of; to give recognition to.
(transitive) To report (the receipt of a message to its sender).
acknowledgeable
acknowledgeable
adj
Able to be acknowledged.
Worthy of acknowledgement.
acknowledged
acknowledged
adj
Generally accepted, recognized or admitted.
verb
simple past tense and past participle of acknowledg
simple past tense and past participle of acknowledge
acknowledgedly
acknowledgedly
adv
Confessedly, admittedly.
acknowledgement
acknowledgement
noun
(most common British spelling, also sometimes used in the US) Alternative spelling of acknowledgment
acknowledgements
acknowledgements
noun
plural of acknowledgement
acknowledger
acknowledger
noun
One who acknowledges.
acknowledgers
acknowledgers
noun
plural of acknowledger
acknowledges
acknowledges
verb
Third-person singular simple present indicative form of acknowledge
acknowledging
acknowledging
adj
(obsolete, specifically) Expressing esteem or gratitude.
That acknowledges, in various sense; (especially) that notices or recognises someone or something.
noun
(archaic) The act of acknowledging something.
verb
present participle of acknowledg
present participle of acknowledge
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
acleistocardia
acleistocardia
noun
(pathology) The inability of the foramen ovale of the heart to close properly
acleistous
aclemon
acoela
acoelomata
acoelomate
acoelomate
adj
(zoology) Having no coelom.
noun
(zoology) Any animal without a coelom.
acoelomates
acoelomates
noun
plural of acoelomate
acoelomatous
acoelomi
acoelomous
acoelomous
adj
Synonym of acoelomate
acoelous
acoelous
adj
(zoology) Without a coelom.
acolyctine
acolyctine
noun
(organic chemistry) An organic base, in the form of a white powder, obtained from Aconitum lycoctonum.
acolyte
acolyte
noun
(Christianity) An altar server.
(Christianity) One who has received the highest of the four minor orders in the Catholic Church, being ordained to carry the wine, water and lights at Mass.
An attendant, assistant or follower.
acolytes
acolytes
noun
plural of acolyte
acolythate
acolythate
noun
The office of an acolyte
acondylose
acondylose
adj
Alternative form of acondylous
aconelline
acotyledon
acotyledon
noun
(botany) A plant that has no cotyledons, as the dodder and all flowerless plants.
acotyledonous
acotyledonous
adj
Having no seed lobes, as the dodder; also applied to plants which have no true seeds, as ferns, mosses, etc.
acousticolateral
acousticolateral
adj
Relating to, or connecting the inner ear and the lateral line of fish
acoustoelectric
acoustoelectric
adj
Of or pertaining to electroacoustics
acrindoline
acrocephalia
acrocephalia
noun
(medicine) A deformity of the head in which the top is more or less pointed.
acrocephalic
acrocephalic
adj
Possessing a pointed skull.
noun
A person suffering from a pointed skull.
acrocephalous
acrocephalous
adj
(pathology) Of or pertaining to acrocephaly
acrocephaly
acrocephaly
noun
The condition of suffering from a pointed skull.
acrogenously
acrogenously
adv
In an acrogenous manner.
acrolein
acrolein
noun
(organic chemistry) A pungent, acrid, poisonous liquid aldehyde, CH₂=CH-CH=O, made by the destructive distillation of glycerol.
acroleins
acroleins
noun
plural of acrolein
acrologies
acrologue
acromegalia
acromegalia
noun
(pathology) Alternative form of acromegaly.
acromegalic
acromegalic
adj
(pathology) Pertaining to or characteristic of acromegaly.
noun
(pathology) A person affected by acromegaly.
acromegalics
acromegalics
noun
plural of acromegalic
acromegalies
acromegalies
noun
plural of acromegaly
acromegaly
acromegaly
noun
(pathology) A chronic disease marked by enlargement of the bones of the extremities, face, and jaw that is caused by over-activity of the pituitary gland.
acromelalgia
acromelalgia
noun
(pathology) melalgia of the hands or feet
acromiodeltoid
acromiohumeral
acromiohumeral
adj
(anatomy) Relating to the acromion and the humerus
acromiosternal
acropetal
acropetal
adj
(botany) That develops, matures or opens from the base towards the apex in sequence.
acropetally
acropetally
adv
In an acropetal manner.
acropoleis
acropoleis
noun
plural of acropolis
acropolises
acroscleriasis
acroscleroderma
acroscleroderma
noun
Synonym of sclerodactyly
acrosphacelus
acroteleutic
acroteleutic
noun
(obsolete, Christianity) The end of a verse or psalm, or something added to it, to be sung by the people by way of a response.
acroteral
acroterial
acroterial
adj
Pertaining to an acroterium.
acrylonitrile
acrylonitrile
noun
(organic chemistry) A toxic colourless liquid organic compound, CH₂=CH.CN, synthesized from propylene and ammonia; used as a monomer in the production of acrylic resins and synthetic rubber.
actinochemical
actinochemical
adj
Relating to actinochemistry.
actinodielectric
actinoelectric
actinoelectric
adj
(physics) Synonym of photoconductive
actinoelectrically
actinoelectricity
actinoelectricity
noun
photoconductivity
actinolite
actinolite
noun
(mineralogy) A mineral with monoclinic crystals of the chemical formula Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂, belonging to the amphibole group.
actinolites
actinolites
noun
plural of actinolite
actinologue
actinologue
noun
(biology) Part of an actinomere
actinometrical
actinomycestal
actinomycetal
actinomycetal
adj
Of or relating to the Actinomycetales, an order of Actinobacteria.
actinomycetales
actionable
actionable
adj
(law) Affording grounds for legal action.
I'm sure it's not good of me to write that he's a lush, but is it actionable?
That can be acted on; that can be used as the basis for taking action.
actionless
actionless
adj
Lacking action; particularly with respect to entertainment, dull, boring.
acuclosure
aculeiform
aculeiform
adj
Like a prickle or thorn
aculeolate
aculeolate
adj
Having small prickles or sharp points.
aculeolus
acutifoliate
acutifoliate
adj
(botany) Having sharp-pointed leaves.
acutilobate
acyanoblepsia
acyanoblepsia
noun
Inability to see the colour blue.
acylamidobenzene
acylogen
acyloxymethane
adamello
adderbolt
adderbolt
noun
(now UK dialectal) A dragonfly.
addleplot
adelantado
adelantado
noun
(historical) A governor of a province; a commander, in Spain and other Spanish-speaking countries.
adelantados
adelanto
adelarthrosomata
adelarthrosomatous
adelocerous
adelochorda
adelocodonic
adelocodonic
adj
(zoology) Applied to sexual zooids of hydroids, that have a saclike form and do not become free; opposed to phanerocodonic.
adelomorphic
adelomorphous
adelomorphous
adj
(medicine) Having a form that is not clearly defined, especially as applied to the principal cells in the pepsin glands of the stomach.