(biology) Loss during evolution of the final stages of the ancestral ontogenetic pattern.
(linguistics) A shortened or contracted form of a word or phrase, used to represent the whole, utilizing omission of letters, and sometimes substitution of letters, or duplication of initial letters to signify plurality, including signs such as +, =, @.
(mathematics) Reduction to lower terms, as a fraction.
(music) A notation used in music score to denote a direction, as pp or mf.
(music) One or more dashes through the stem of a note, dividing it respectively into quavers, semiquavers, demisemiquavers, or hemidemisemiquavers.
Any convenient short form used as a substitution for an understood or inferred whole.
The process of abbreviating.
The result of shortening or reducing; abridgment.
abbreviations
abbreviations
noun
plural of abbreviation
abderian
abderian
adj
Foolish; absurd; ridiculous; inclined to incessant merriment or laughter.
abdominoanterior
abdominohysterectomy
abdominohysterectomy
noun
(surgery) Removal of the uterus via an incision made in the abdominal wall rather than via the vagina.
abdominohysterotomy
abdominohysterotomy
noun
(surgery) An incision of the uterus, done through a surgical hole in the abdomen.
abdominoposterior
abecedarian
abecedarian
adj
(now rare) Pertaining to someone learning the alphabet or basic studies; elementary; rudimentary.
Arranged in an alphabetical manner.
Pertaining to the alphabet, or several alphabets.
Relating to or resembling an abecedarius.
noun
(archaic) Someone engaged in teaching the alphabet; an elementary teacher; one that teaches the methods and principles of learning.
(rhetoric) A work which uses words or lines in alphabetical order.
An elementary student, a novice; one in the early steps of learning.
Someone who is learning the alphabet.
abecedarians
abecedarians
noun
plural of abecedarian
abenteric
abenteric
adj
(pathology) Relating to organs outside of the intestine.
aberdavine
aberdeenshire
aberdeenshire
Adjective
Of or pertaining to the county of Aberdeen in Scotland; of a style that is widespread in Aberdeen.
Proper noun
a local government council area in north-east Scotland, created in 1996 on the abolition of Region. The city of Aberdeen is separate and has its own council.
a historic county in Scotland which was absorbed into Region in 1975.
aberdevine
aberdevine
noun
(obsolete outside dialects) The Eurasian siskin or spruce siskin, Spinus spinus, a small green and yellow finch related to the goldfinch.
aberdonian
aberdonian
Adjective
Of or relating to Aberdeen.
Noun
A citizen or inhabitant of, or person born in, Aberdeen, NE Scotland.
aberduvine
aberduvine
noun
Alternative form of aberdevine.
aberrancies
aberrancies
noun
plural of aberrancy
aberrating
aberrating
verb
present participle of aberrate
aberration
aberration
noun
(astronomy) A small periodical change of the apparent positions of the stars and other heavenly bodies, due to the combined effect of the motion of light and the motion of the observer.
(astronomy, by extension) The tendency of light rays to preferentially strike the leading face of a moving object (the effect underlying the above phenomenon).
(electronics) A defect in an image produced by an optical or electrostatic lens system.
(medicine) A deviation of a tissue, organ or mental functions from what is considered to be within the normal range.
(optics) The convergence to different foci, by a lens or mirror, of rays of light emanating from one and the same point, or the deviation of such rays from a single focus; a defect in a focusing mechanism that prevents the intended focal point.
(zoology, botany) A typical development or structure; deviation from the normal type; an aberrant organ.
A mental disorder, especially one of a minor or temporary character.
A partial alienation of reason.
The act of wandering; deviation from truth, moral rectitude; abnormal; divergence from the straight, correct, proper, normal, or from the natural state.
aberrational
aberrational
adj
Characterized by aberration.
aberrations
aberrations
noun
plural of aberration
abhenries
abhenries
noun
plural of abhenry
abineri
abinger
abnormalcies
abnormalcies
noun
plural of abnormalcy
abnormalise
abnormalise
verb
Non-Oxford British English standard spelling of abnormalize.
abnormalised
abnormalised
verb
simple past tense and past participle of abnormalise
abnormalities
abnormalities
noun
plural of abnormality
abnormalize
abnormalize
verb
(transitive) To make abnormal.
abnormalized
abnormalized
verb
simple past tense and past participle of abnormalize
abnormities
abnormities
noun
plural of abnormity
aborigine
aborigine
noun
(in the plural) The native flora and fauna of an area.
A native inhabitant of a country; a member of the original people.
aborigines
aborigines
noun
(history) The inhabitants of a location before colonization by the Europeans occurred.
Indigenous flora and fauna.
The original people of a location, originally Greek and Roman.
plural of aborigine
abortient
abortient
adj
(archaic, medicine) Reproductively sterile or miscarrying.
noun
(archaic, medicine) Abortifacient; an agent producing abortion.
abortifacient
abortifacient
adj
(pharmacology) Producing miscarriage.
noun
(pharmacology) A drug or an agent that induces an abortion.
abortiveness
abortiveness
noun
(countable) The result or product of being abortive.
(uncountable) The quality of being abortive.
abortogenic
abortogenic
adj
Causing abortion; abortifacient.
noun
A substance that induces abortion; an abortifacient.
abranchiate
abranchiate
adj
(zoology) Without gills.
noun
(zoology) An organism that does not have gills.
abrasiveness
abrasiveness
noun
The property, quality or instance of being abrasive.
abrasivenesses
abrasivenesses
noun
plural of abrasiveness
abreacting
abreacting
verb
present participle of abreact
abreaction
abreaction
noun
(psychoanalysis) The re-living of an experience with a view to purging its emotional dross.
(US) An epitome or compend, as of a book; a shortened or abridged form; an abbreviation.
(US) The act of abridging; reduction or deprivation
(US) The state of being abridged or lessened.
(dated, law) Any of various brief statements of case law made before modern reporting of legal cases.
(law) The leaving out of certain portions of a plaintiff's demand, the writ still holding good for the remainder.
(obsolete) That which abridges or cuts short; hence, an entertainment that makes the time pass quickly
abridgments
abridgments
noun
plural of abridgment
abrine
abrine
noun
An toxic amino acid obtained from jequirity beans; C₁₂H₁₄N₂O₂, that is different than abrin.
abrotine
abrotine
noun
A colorless crystalline alkaloid obtained from abrotanum, C₂₁H₂₂N₂O.
abruptiones
absorbancies
absorbancies
noun
plural of absorbancy
absorbefacient
absorbefacient
adj
(medicine) Inducing or increasing absorption (of a drug).
noun
(medicine) Any such medicine that induces absorption.
absorbencies
absorbencies
noun
plural of absorbency
absorptiveness
absorptiveness
noun
The quality of being absorptive; absorptive power.
abstainer
abstainer
noun
Agent noun of abstain; one who abstains; especially, one who abstains from something, such as the use of alcohol or drugs, or one who abstains for religious reasons; one who practices self-denial.
abstainers
abstainers
noun
plural of abstainer
absterging
absterging
verb
present participle of absterge
abstersion
abstersion
noun
(archaic) Act of wiping clean; a cleansing; a purging.
abstersiveness
abstersiveness
noun
The quality of being abstersive.
abstertion
abstractiveness
abstractiveness
noun
The property of being abstractive.
abterminal
abterminal
adj
(anatomy, of an electrical current in a muscle) Away from the end and towards the centre
abthainrie
acanthomeridae
acanthopteri
acanthopteri
noun
(zoology) A group of teleostean fishes having spiny fins. See Acanthopterygii.
acanthopterygian
acanthopterygian
adj
(zoology) Similar to an acanthopterygian.
noun
(zoology) Any fish of the superorder Acanthopterygii.
acanthopterygii
acanthuridae
acaridean
acarine
acarine
adj
(medicine) Of or caused by acari or mites.
noun
(zoology) Synonym of acarid.
acarines
acarines
noun
plural of acarine
accelerating
accelerating
noun
An act of acceleration.
verb
present participle of accelerate
acceleratingly
acceleratingly
adv
In an accelerating manner.
acceleration
acceleration
noun
(countable) The amount by which a speed or velocity increases (and so a scalar quantity or a vector quantity).
(physics) The change of velocity with respect to time (can include deceleration or changing direction).
(uncountable) The act of accelerating, or the state of being accelerated; increase of motion or action; as opposed to retardation or deceleration.
The advancement of students at a rate that places them ahead of where they would be in the regular school curriculum.
accelerations
accelerations
noun
plural of acceleration
accersition
accessariness
accessariness
noun
The state of being accessary.
accessioner
accessioner
noun
One who accessions.
accessoriness
accessoriness
noun
The state of being accessory, or connected subordinately.
accessorizing
accessorizing
verb
present participle of accessorize
accidentarily
accidentary
accidentary
adj
(obsolete) accidental; occurring by chance; occasional
(obsolete) logically accidental; non-essential
accipenser
accipenser
noun
Any sturgeon of the genus Acipenser.
accipitrine
accipitrine
adj
(ornithology) Like or belonging to the Accipitres; raptorial; hawklike.
noun
A hawk or a hawk-like bird.
accipitrines
accipitrines
noun
plural of accipitrine
accompanier
accompanier
noun
Someone or something that accompanies.
accoutering
accoutering
verb
present participle of accouter
accreditation
accreditation
noun
(education) The granting of approval to an institution of higher learning by an official review board after the school has met certain requirements.
The act of accrediting.
The giving of credentials.
accreditations
accreditations
noun
plural of accreditation
accrediting
accrediting
verb
present participle of accredit
accreditment
accreditment
noun
The process of becoming accredited.
accrementitial
accrementitial
adj
(physiology) Pertaining to accrementition.
accrementition
accrementition
noun
(physiology) The process of generation by development of blastema, or fission of cells, in which the new formation is in all respect like the individual from which it proceeds.
accrescendi
accreting
accreting
verb
present participle of accrete
accretion
accretion
noun
(astrophysics) The formation of planets and other bodies by collection of material through gravity.
(biology) A growing together of parts naturally separate, as of the fingers or toes.
(geology) The gradual increase of land by deposition of water-borne sediment.
(law) Gain to an heir or legatee; failure of a coheir to the same succession, or a co-legatee of the same thing, to take his share percentage.
(law) The adhering of property to something else, by which the owner of one thing becomes possessed of a right to another; generally, gain of land by the washing up of sand or sail from the sea or a river, or by a gradual recession of the water from the usual watermark.
Concretion; coherence of separate particles.
Something added externally to promote the external growth of an item.
The act of increasing by natural growth; especially the increase of organic bodies by the internal accession of parts; organic growth.
The act of increasing, or the matter added, by an accession of parts externally; an extraneous addition.
accretionary
accretionary
adj
Of, pertaining to, or in the form of an accretion
accretions
accretions
noun
plural of accretion
accriminate
accriminate
verb
(transitive, obsolete) To accuse of a crime.
aceanthrenequinone
acentric
acentric
adj
Not centered; without a centre
noun
A segment of a chromosome that lacks a centromere
acerbating
acerbating
verb
present participle of acerbate
acerin
acertannin
acertannin
noun
(organic chemistry) The tannin 1,5-anhydro-2,6-bis-O-(3,4,5-trihydroxybenzoyl)-D-glucitol present in leaves of the maple Acer ginnala
acervation
acervation
noun
(obsolete, rare) A heaping up; accumulation
acervuline
acervuline
adj
Resembling little heaps.
acetoarsenite
acetoarsenite
noun
(chemistry) Any mixed salt containing both acetate and arsenite anions
acetobromanilide
acetomorphin
acetomorphine
acetomorphine
noun
heroin
acetonitrile
acetonitrile
noun
(organic chemistry) The simplest organic cyanide or nitrile, CH₃CN, formally derived from acetic acid
acetonuria
acetonuria
noun
(pathology) A form of ketonuria characterized by the presence of acetone in the urine
acetopiperone
acetopyrin
acetopyrine
acetopyrine
noun
(medicine) An acetylsalicylate of antipyrine
acetostearin
acetylcholinesterase
acetylcholinesterase
noun
(biochemistry) An enzyme that catalyzes the hydrolysis of the neurotransmitter acetylcholine into choline and acetic acid.
acetylenediurein
acetylhydrazine
acetylhydrazine
noun
(organic chemistry) The acylhydrazine of acetic acid CH₃CO-NH-NH₂
acetylmethylcarbinol
acetylmethylcarbinol
noun
(organic chemistry) acetoin
acetylphenylhydrazine
acetylrosaniline
acetyltropeine
acheronian
acheronian
Adjective
Of or pertaining to Acheron.
acherontic
acherontic
adj
Alternative form of Acherontic
acherontical
achondrite
achondrite
noun
(astronomy, geology) Any stony meteorite that contains no chondrules
achondrites
achondrites
noun
plural of achondrite
achrodextrin
achrodextrin
noun
(biochemistry, cytology) A form of dextrin that is not colourable by iodine
achrodextrinase
achroodextrin
achroodextrin
noun
Alternative form of achrodextrin
achroodextrinase
acidanthera
acidanthera
noun
Any of the gladioli previously placed in the genus Acidanthera.
acierating
acierating
verb
present participle of acierate
acieration
acieration
noun
(rare) The conversion of iron into steel.
acinetaria
acinetarian
acinetiform
acinetiform
adj
(zoology) Resembling the Acinetae.
acipenser
acipenseres
acipenserid
acipenserid
noun
(ichthyology) Any member of the Acipenseridae (the true sturgeons)
acipenseridae
acipenserine
acipenserine
adj
Pertaining to sturgeons
acipenseroid
acipenseroid
noun
Synonym of chondrostean
acipenseroidei
ackermanville
acneiform
acneiform
adj
(pathology) Alternative form of acneform
acocantherin
acocantherin
noun
Alternative form of acokantherin
aconuresis
aconuresis
noun
(pathology) urinary incontinence (inability to control urination)
acopyrine
acquirement
acquirement
noun
(now rare, chiefly in the plural) Something that has been acquired; an attainment or accomplishment.
The act or fact of acquiring something; acquisition.