(organic chemistry) The amidine of acetic acid CH₃C(=NH)NH₂; any N-derivative of this compound
acetamido
acetamido
noun
(organic chemistry) The univalent radical derived from acetamide
acetamids
acetamids
noun
plural of acetamid
acetanilid
acetanilid
noun
Alternative form of acetanilide
acetanilide
acetanilide
noun
(organic chemistry, pharmacology) the amide derived from acetic acid and aniline; once used medicinally as an analgesic and antipyretic
acetanilides
acetanilides
noun
plural of acetanilide
acetanilids
acetanilids
noun
plural of acetanilid
acetaniside
acetanisidide
acetanisidide
noun
(organic chemistry) The amide N-(4-methoxyphenyl)acetamide related to paracetamol
acetanisidine
acetated
acetated
adj
(chemistry) Combined with acetic acid.
acetazolamide
acetazolamide
noun
(pharmacology) A drug that inhibits the enzyme carbonic anhydrase, used in the treatment of glaucoma and epilepsy and as a diuretic (now especially in the prevention of acute mountain sickness).
acetbromamide
acethydrazide
acethydrazide
noun
(organic chemistry) The hydrazide of acetic acid CH₃-CO-NH-NH₂
acetified
acetified
verb
simple past tense and past participle of acetify
acetmethylanilide
acetnaphthalide
acetoacetanilide
acetoacetanilide
noun
(organic chemistry) acetoacetamide derivative of aniline.
acetoamidophenol
acetobromanilide
acetonylidene
acetonylidene
noun
(organic chemistry) The divalent radical CH₃-CO-CH= formally derived from acetone
acetophenetide
acetophenetide
noun
(organic chemistry) The N-acetyl derivative of a phenetidine
acetophenetidin
acetophenetidin
noun
phenacetin
acetophenetidine
acetotoluid
acetotoluide
acetotoluide
noun
(organic chemistry) The N-acetyl derivative of a toluidine
acetotoluidine
acetoxyphthalide
acetphenetid
acetphenetidin
acettoluide
acetylated
acetylated
adj
That has been reacted with acetic acid (or one of its derivatives), or has been modified by the attachment of acetyl groups.
verb
simple past tense and past participle of acetylate
acetylcyanide
acetylenediurein
acetylfluoride
acetylhydrazine
acetylhydrazine
noun
(organic chemistry) The acylhydrazine of acetic acid CH₃CO-NH-NH₂
acetylid
acetylide
acetylide
noun
(organic chemistry) Any organic compound derived from acetylene or a terminal acetylene by replacing a hydrogen atom with a metal.
acetyliodide
acetylized
acetylized
verb
simple past tense and past participle of acetylize
acetylperoxide
acetylphenylhydrazine
achatinidae
achetidae
achlamydate
achlamydate
adj
(zoology) Not possessing a mantle.
achondrite
achondrite
noun
(astronomy, geology) Any stony meteorite that contains no chondrules
achondrites
achondrites
noun
plural of achondrite
achordate
achordate
adj
(biology) Not having a proto-spinal chord at any stage of development.
achrodextrin
achrodextrin
noun
(biochemistry, cytology) A form of dextrin that is not colourable by iodine
achrodextrinase
achromatised
achromatised
verb
simple past tense and past participle of achromatise
achromatized
achromatized
verb
simple past tense and past participle of achromatize
achroodextrin
achroodextrin
noun
Alternative form of achrodextrin
achroodextrinase
achterveld
aciculated
aciculated
adj
Alternative form of aciculate
acidanthera
acidanthera
noun
Any of the gladioli previously placed in the genus Acidanthera.
acidimeter
acidimeter
noun
(chemistry) An instrument for ascertaining the strength of acids.
acidimeters
acidimeters
noun
plural of acidimeter
acidimetric
acidimetric
adj
(chemistry) Describing a titration in which the titrant is an acid.
acidimetrical
acidimetrical
adj
Alternative form of acidimetric
acidimetrically
acidimetrically
adv
(chemistry) By means of, or in terms of, acidimetry.
acidimetries
acidimetries
noun
plural of acidimetry
acidimetry
acidimetry
noun
(chemistry) The measurement of the strength of acids, especially by a chemical process based on the law of chemical combinations, or the fact that, to produce a complete reaction, a certain definite weight of reagent is required.
acidite
acidities
acidities
noun
plural of acidity
acidometer
acidometer
noun
A hydrometer, especially one that is used to measure the strength of an acid.
Any of various other devices used to measure acidity, either chemical or electronic.
acidometry
acidometry
noun
Alternative form of acidimetry
acidoproteolytic
acidoproteolytic
adj
Relating to acidoproteolytes
acidosteophyte
acidosteophyte
noun
(medicine) A sharp or needle-shaped osteophyte.
acidulate
acidulate
verb
(transitive) To make slightly or moderately acid; to acidify.
(transitive) To make sour in a moderate degree; to sour somewhat.
(transitive) To use an acidic catalyst, with the chemical change being emphasised over the importance of the change in pH. Used in the processing of biodiesel co-products.
acidulated
acidulated
verb
simple past tense and past participle of acidulate
acidulates
acidulates
verb
Third-person singular simple present indicative form of acidulate
acidulent
acidulent
adj
Having an acid quality; sour; acidulous.
acierated
acierated
verb
simple past tense and past participle of acierate
aciliated
aciliated
adj
Alternative form of aciliate
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
acleistocardia
acleistocardia
noun
(pathology) The inability of the foramen ovale of the heart to close properly
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.
acquainted
acquainted
adj
Personally known; familiar.
verb
simple past tense and past participle of acquaint
acquaintedness
acquaintedness
noun
(rare) State of being acquainted; degree of acquaintance.
acquisited
acquitted
acquitted
adj
Having been acquitted; having gone through a trial that resulted in something other than a guilty verdict.
verb
simple past tense and past participle of acquit
acraspedote
acraspedote
adj
Relating to jellyfish of the class Acraspeda
acridest
acridest
adj
superlative form of acrid: most acrid
acridities
acridities
noun
plural of acridity
acritude
acritude
noun
acridity; pungency combined with heat.
acroceratidae
acrodermatitis
acrodermatitis
noun
(pathology) dermatitis that affects the hands and feet
acromiodeltoid
acrotretidae
actaeonidae
acted
acted
verb
simple past tense and past participle of act
actinide
actinide
noun
(chemistry) Any of the 14 elements from actinium to nobelium (lawrencium is excluded by some authors as it is a d-block rather than an f-block element).
(chemistry) Any of the 15 radioactive elements of the periodic table from actinium to lawrencium that are positioned under the lanthanides, to which they have similar chemistry.
(chemistry, dated) Any of the 14 elements from thorium to lawrencium (actinium having been mistakenly excluded because it was thought to be a d-block element in the past).
actinides
actinides
noun
plural of actinide
actinidiaceae
actinocrinidae
actinodermatitis
actinodermatitis
noun
actinic dermatitis
actinodielectric
actinodrome
actinodrome
adj
Alternative form of actinodromous
actinogonidiate
actinoidea
actionized
actionized
verb
simple past tense and past participle of actionize
activated
activated
verb
simple past tense and past participle of activate
activized
activized
verb
simple past tense and past participle of activize
actoridae
actualised
actualised
verb
simple past tense and past participle of actualise
actualized
actualized
adj
Having become actual; having been realized or made real.
verb
simple past tense and past participle of actualize
actuated
actuated
verb
simple past tense and past participle of actuate
aculeated
aculeated
adj
(figurative) Pungent, incisive.
Having a sharp point; armed with prickles.
acuminated
acuminated
verb
simple past tense and past participle of acuminate
acupunctured
acupunctured
verb
simple past tense and past participle of acupuncture
acutonodose
acylated
acylated
adj
(organic chemistry) Having an acyl functional group; modified by addition of an acyl group
verb
simple past tense and past participle of acylate
adagietto
adagietto
adv
(music) More lighthearted than adagio.
noun
(music) A tempo mark directing that a passage is to be played slightly faster than adagio.
adagiettos
adagiettos
noun
plural of adagietto
adalbert
adamantean
adamantean
adj
Of adamant; hard as adamant.
adamantine
adamantine
adj
Like the diamond in hardness or luster.
Made of adamant, or having the qualities of adamant; incapable of being broken, dissolved, or penetrated.
adamantlies
adamantness
adamellite
adamellite
noun
(mineralogy) monzonite
adamite
adamite
noun
(mineralogy) A zinc arsenate hydroxide mineral, Zn₂AsO₄OH.
A descendant of Adam; a human being.
adamsite
adamsite
noun
An organic compound, diphenylaminechlorarsine, used as a riot-control agent.
adamsites
adaptabilities
adaptabilities
noun
plural of adaptability
adaptable
adaptable
adj
Capable of adapting or of being adapted.
adaptableness
adaptableness
noun
The state or quality of being adaptable; adaptability.
adaptative
adaptative
adj
Of or pertaining to adaptation; adaptive.
adapted
adapted
adj
Having been subject to an alteration or change to fit a different circumstance or medium.
verb
simple past tense and past participle of adapt
adaptedness
adaptedness
noun
(countable) The result of being adapted.
(uncountable) The state of being adapted; suitableness; fitness.
adapter
adapter
noun
A device or application used to achieve operative compatibility between devices that otherwise are incompatible.
One who adapts a thing, e.g. a play.
One who is capable of adapting to differing situations.
Specifically, a device that allows one format of plug to be used with a different format of socket.
Specifically, a device that permits two, three, or more plugs to be used at a single electrical power point.
Specifically, an AC adapter: a device that reduces voltage and converts AC to DC to allow a battery-powered device to use mains power.
adapters
adapters
noun
plural of adapter
adaptitude
adaptitude
noun
Adaptedness; special aptitude.
adaptive
adaptive
adj
(psychology) Of a trait: that helps an individual to function well in society.
Capable of being adapted or of adapting; susceptible of or undergoing accordant change.
Of, pertaining to, characterized by or showing adaptation; making or made fit or suitable.
adaptively
adaptively
adv
In an adaptive manner; with adaptation; in a fitting manner
adaptiveness
adaptiveness
noun
The state or quality of being adaptive; capacity to adapt.
adaptivities
adaptivities
noun
plural of adaptivity
adaptometer
adaptometer
noun
An optometric instrument that measures the minimum threshold of brightness that can be detected or how well the human eye can adapt to a recently darkened environment.
addebted
addebted
adj
(obsolete) indebted
adderbolt
adderbolt
noun
(now UK dialectal) A dragonfly.
adderspit
adderwort
adderwort
noun
Common bistort (Bistorta officinalis, syn. Persicaria bistorta) or snakeweed.
addicent
addicted
addicted
adj
Devoted to or obsessed with something.
Having a biochemical addiction.
verb
simple past tense and past participle of addict
addictedness
addictedness
noun
The degree of addiction.
The quality or state of being addicted; attachment.
addictive
addictive
adj
Causing or tending to cause addiction; habit-forming.