(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
abbreviator
abbreviator
noun
(Roman Catholicism, historical) One of a college of seventy-two officers of the papal court whose duty was to make a short minute of a decision on a petition, or reply of the pope to a letter, and afterwards expand the minute into official form.
A person who abbreviates or shortens.
abbreviators
abbreviators
noun
plural of abbreviator
abbreviatory
abbreviatory
adj
Serving or tending to abbreviate; shortening; abridging.
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
abercrombie
aberdonian
aberdonian
Adjective
Of or relating to Aberdeen.
Noun
A citizen or inhabitant of, or person born in, Aberdeen, NE Scotland.
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
abhorrible
abhorrible
adj
(rare, obsolete) Detestable.
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
abolisher
abolisher
noun
Agent noun of abolish; one who abolishes.
abolishers
abolishers
noun
plural of abolisher
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
aborsive
aborsive
adj
(obsolete) abortive from the first.
aborticide
aborticide
noun
An agent responsible for an abortion (the destruction of a fetus); abortifacient.
The act of destroying a fetus in the womb; feticide.
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.
abortive
abortive
adj
(biology) Imperfectly formed or developed; rudimentary; sterile.
(medicine) Cutting short; acting to halt or slow the progress (of a disease).
(obsolete) Produced by abortion; born prematurely and therefore unnatural.
(obsolete, masonry) The joint or interstice between stones, to be filled with mortar.
A cold water drinking fountain (for people) typically found in a public location; more generally, any fountain or water source (including for animals like birds, horses etc).
abrogative
abrogative
adj
Tending or designed to abrogate.
abrotine
abrotine
noun
A colorless crystalline alkaloid obtained from abrotanum, C₂₁H₂₂N₂O.
abruptiones
absarokite
absarokite
noun
(mineralogy) A basaltic-trachyandesite rock containing phenocrysts of olivine and augite
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
absorptiometer
absorptiometer
noun
A instrument that computes the absorption rate by measuring the pressure of the gas; a colorimeter for liquids.
An instrument used to measure the amount of radiation or light absorbed.
absorptiometric
absorptiometric
adj
Of or pertaining to the measurement of absorption.
absorptive
absorptive
adj
Having power, capacity, or tendency to absorb or imbibe; absorbent.
noun
Any substance that absorbs.
absorptively
absorptively
adv
In an absorptive way.
absorptiveness
absorptiveness
noun
The quality of being absorptive; absorptive power.
abstersion
abstersion
noun
(archaic) Act of wiping clean; a cleansing; a purging.
abstertion
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
acarocecidia
acarocecidia
noun
plural of acarocecidium
acarocecidium
acarocecidium
noun
A plant gall caused by an acarid mite
acarodermatitis
acarodermatitis
noun
(pathology) inflammation of the skin caused by mites
acarologies
acategorical
acategorical
adj
Not categorical; not subject to being included in a category.
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
accersitor
accessioner
accessioner
noun
One who accessions.
accessorial
accessorial
adj
(logistics) Assessorial.
Of or pertaining to an accessory, e.g. to a crime.
Of or relating to an accession.
noun
(logistics) An assessorial charge.
accessories
accessories
noun
plural of accessory
accessorii
accessorily
accessorily
adv
In the manner of an accessory; auxiliarily.
accessoriness
accessoriness
noun
The state of being accessory, or connected subordinately.
accessorise
accessorise
verb
Non-Oxford British English standard spelling of accessorize.
accessorised
accessorised
verb
simple past tense and past participle of accessorise
accessorises
accessorises
verb
Third-person singular simple present indicative form of accessorise
accessorius
accessoriusorii
accessorize
accessorize
verb
(intransitive) To wear or to choose accessories.
(transitive, intransitive) To furnish with accessories.
accessorized
accessorized
adj
Wearing accessories.
verb
simple past tense and past participle of accessorize
accessorizes
accessorizes
verb
Third-person singular simple present indicative form of accessorize
accessorizing
accessorizing
verb
present participle of accessorize
accompanier
accompanier
noun
Someone or something that accompanies.
accomplisher
accomplisher
noun
One who accomplishes.
accomplishers
accomplishers
noun
plural of accomplisher
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
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.
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
accroides
accroides
noun
acaroid resin
aceanthrenequinone
acequiador
aceratosis
acerbityacerose
acerbophobia
acervation
acervation
noun
(obsolete, rare) A heaping up; accumulation
acetabuliferous
acetabuliferous
adj
Furnished with fleshy cups for adhering to bodies, as cuttlefish, etc.
acetabuliform
acetabuliform
adj
(botany) Shaped like a saucer or shallow cup.
acetarious
acetarious
adj
(archaic) Used in salads or as salad
acetbromamide
acetoarsenite
acetoarsenite
noun
(chemistry) Any mixed salt containing both acetate and arsenite anions
acetobromanilide
acetometric
acetometric
adj
Relating to acetometry.
acetometrical
acetometrically
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.
acetylfluoride
acetylmethylcarbinol
acetylmethylcarbinol
noun
(organic chemistry) acetoin
acetylperoxide
acetylrosaniline
acetyltropeine
achariaceous
acheirous
acheirous
adj
Of or pertaining to acheiria (lacking one or both hands)
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
achroiocythaemia
achroiocythemia
achroite
achroite
noun
(mineralogy) A colourless form of tourmaline
achromatiaceae
achromatise
achromatise
verb
Non-Oxford British English standard spelling of achromatize.
achromatised
achromatised
verb
simple past tense and past participle of achromatise
achromatizable
achromatize
achromatize
verb
(transitive) To deprive of colour; to make achromatic.
(transitive) To remove chromatic aberration from an optical system
achromatized
achromatized
verb
simple past tense and past participle of achromatize
achromatizes
achromatizes
verb
Third-person singular simple present indicative form of achromatize
achromatophile
achromatophile
adj
Being or relating to an achromatophil.
achromobacterieae
achroodextrin
achroodextrin
noun
Alternative form of achrodextrin
achroodextrinase
acichloride
acidiferous
acidiferous
adj
Containing or yielding an acid.
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.