(organic chemistry) A pungent, acrid, poisonous liquid aldehyde, CH₂=CH-CH=O, made by the destructive distillation of glycerol.
acromion
acromion
noun
(anatomy) The outermost point of the shoulder blade.
acronomy
acronych
acronyms
acronyms
noun
plural of acronym
verb
Third-person singular simple present indicative form of acronym
actiniae
actinian
actinian
noun
A sea anemone (of the order Actiniaria).
actinias
actinias
noun
plural of actinia
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).
actinine
actinism
actinism
noun
(chemistry, physics) That property of electromagnetic radiation that leads to the production of photochemical effects
actinium
actinium
noun
A radioactive, metallic chemical element (symbol: Ac) with an atomic number of 89; found in uranium ores.
actinoid
actinoid
adj
Having the form of rays; radiated, as in the species of the family Actiniidae.
noun
(inorganic chemistry) actinide
actinons
actinons
noun
plural of actinon
actinost
actinost
noun
(ichthyology) A bone at the base of a paired fin (of a fish)
actinula
actinula
noun
(zoology) A kind of embryo of certain hydroids (Tubularia), having a stellate form.
actional
actional
adj
(grammar, of a verb) Depicting an action having an agent and a patient.
Of, pertaining to, or depicting action, especially physical action.
actioner
actioner
noun
(informal) An action movie.
actiones
acuating
acuating
verb
present participle of acuate
acuation
acuation
noun
(rare) The act of sharpening.
acushnet
acutance
acutance
noun
(photography) Edge contrast in an image; a component of sharpness.
acylogen
acyloins
acyloins
noun
plural of acyloin
adamance
adamance
noun
The quality of being adamant
adamancy
adamancy
noun
The property of being adamant.
adamants
adamants
noun
plural of adamant
adaminah
adapting
adapting
verb
present participle of adapt
adaption
adaption
noun
Alternative form of adaptation
addendum
addendum
noun
(engineering) The height by which the tooth of a gear projects beyond (outside for external, or inside for internal) the standard pitch circle or pitch line.
A postscript.
Something to be added; especially text added as an appendix or supplement to a document.
addicent
addiment
addiment
noun
(immunology, archaic) Synonym of complement
addition
addition
noun
(chiefly law) A title annexed to a person's name to identify him or her more precisely.
(heraldry) Something added to a coat of arms, as a mark of honour.
(music) A dot at the right side of a note as an indication that its sound is to be lengthened one half.
(uncountable) The act of adding anything.
(uncountable) The arithmetic operation of adding.
Anything that is added.
addlings
addlings
noun
(obsolete, provincial) Earnings.
adducent
adducent
adj
(physiology) Related to the muscles of the body which pull one part towards another.
adducing
adducing
verb
present participle of adduce
addyston
adeeming
adeeming
verb
present participle of adeem
adelante
adelanto
adenalgy
adenauer
adendric
adendric
adj
Not dendric.
adenines
adenines
noun
plural of adenine (multiple adenine molecules)
adenitis
adenitis
noun
(medicine, pathology) Glandular inflammation.
adenoids
adenoids
noun
plural of adenoid
adenomas
adenoses
adenoses
noun
plural of adenosis
adenosis
adenosis
noun
(medicine) Benign swelling, scarring or enlargement of the lymph glands; a minor, low-risk glandular condition.
adenylic
adenylic
adj
Of or pertaining to adenylic acid or its derivatives
adeption
adeption
noun
(obsolete) An obtaining; attainment.
adermine
adfrozen
adhamant
adhamant
adj
(rare) Clinging, as by hooks.
adherant
adherend
adherend
noun
That which adheres to something else by adhesion.
adherent
adherent
adj
(botany) Attaching or pressing against a different organ.
Adhesive, sticking to something.
Having the quality of clinging or sticking fast to something.
noun
A person who has membership in some group, association or religion.
adhering
adhering
verb
present participle of adhere
adhesion
adhesion
noun
(biochemistry) The binding of a cell to a surface or substrate.
(medicine) An abnormal union of surface by the formation of new tissue resulting from an inflammatory process.
An agreement to adhere.
Persistent attachment or loyalty.
The ability of a substance to stick to an unlike substance.
The frictional grip on a surface, of wheels, shoes etc.
adiantum
adiantum
noun
The maidenhair fern and related ferns (of the genus Adiantum)
adiaphon
adiating
adiating
verb
present participle of adiate
adiation
adinidan
adipinic
adjacent
adjacent
adj
(figuratively, postpositive) Related to; suggestive of; bordering on.
Just before, after, or facing.
Lying next to, close, or contiguous; neighboring; bordering on.
noun
Something that lies next to something else, especially the side of a right triangle that is neither the hypotenuse nor the opposite.
prep
(figuratively) Related to; suggestive of; bordering on.
Next to; beside.
adjoined
adjoined
verb
simple past tense and past participle of adjoin
adjoiner
adjoints
adjoints
noun
plural of adjoint
adjourns
adjourns
verb
Third-person singular simple present indicative form of adjourn
adjument
adjument
noun
(obsolete) Help; support; that which or one who helps or supports.
adjuncts
adjuncts
noun
plural of adjunct
adjuntas
adjuring
adjuring
noun
adjuration
verb
present participle of adjure
adjutant
adjutant
adj
Assistant; who helps a higher-ranking officer.
noun
(military) A lower-ranking officer who assists a higher-ranking officer with administrative affairs.
(zoology) Any bird of the genus Leptoptilos, a branch of the stork family (Ciconiidae) native to India and Southeast Asia.
An assistant.
adjuvant
adjuvant
adj
(medicine) Designating a supplementary form of treatment, especially a cancer therapy administered after removal of a primary tumour. [from 19th c.]
Helping; helpful; assisting. [from 16th c.]
noun
(agriculture) An additive (often a separate product) that enhances the efficacy of pesticide products, but has little or no pesticidal activity itself. [from mid 20th c.]
(immunology) A substance enhancing the immune response to an antigen. [from 20th c.]
(medicine) Something that enhances the effectiveness of a medical treatment; a supplementary treatment. [from 18th c.]
(pharmacology) An additive (as in a drug) that aids or modifies the action of the principal ingredient. [from 19th c.]
Someone who helps or facilitates; an assistant, a helper. [from 16th c.]
adlerian
adlerian
Adjective
Of or relating to (1870–1937), Austrian medical doctor, psychotherapist, and founder of the school of individual psychology.
adlumine
adlumine
noun
(organic chemistry) An alkaloid found in plants of genus Adlumia.
admedian
admedian
adj
(anatomy) Near the median plane
admiring
admiring
adj
Feeling or showing admiration.
noun
admiration
verb
present participle of admire
admixing
admixing
verb
present participle of admix
admonish
admonish
verb
(transitive) To inform or notify of a fault; to rebuke gently or kindly, but seriously; to tell off.
(transitive) To instruct or direct.
(transitive, with of or against) To advise against wrongdoing; to caution; to warn against danger or an offense.
adnation
adnation
noun
(botany) The adhesion or cohesion of different floral verticils or sets of organs.
adnerval
adneural
adneural
adj
(anatomy) Near a nerve
adnumber
adonidin
adonijah
adoniram
adonises
adonises
verb
Third-person singular simple present indicative form of adonise
adonitol
adonitol
noun
Ribitol.
adonized
adonized
verb
simple past tense and past participle of adonize
adoptant
adoptian
adoptian
noun
(Christianity) A proponent of adoptianism.
adopting
adopting
verb
present participle of adopt
adoption
adoption
noun
(chess, slang) Ten consecutive wins against an opponent.
(computing) Transfer between an old system to another (usually better) system.
(theology) An act of divine grace by which the redeemed in Christ are admitted to the privileges of the sons of God.
Admission to an institution, for example a hospital, clinic, mental asylum.
The act of adopting.
The choosing and making that to be one's own which originally was not so; acceptance
The state of being adopted; the acceptance of a child of other parents as if he or she were one's own child.
adorners
adorners
noun
plural of adorner
adorning
adorning
noun
(archaic) An adornment.
verb
present participle of adorn
adrenals
adrenals
noun
plural of adrenal
adrenine
adriaens
adrianna
adrianna
Proper noun
name, a variant of Adriana.
adrianne
adrienne
aduncate
aduncate
adj
(rare) curved inwards; hooked
aduncity
aduncity
noun
Crookedness, curvaceousness, hookedness.
aduncous
aduncous
adj
curved inwards; hooked
adustion
adustion
noun
(obsolete) The act of burning, or heating to dryness; the state of being thus heated or dried.
(surgery, obsolete) Cauterization.
advanced
advanced
adj
(Philippines, of a clock or watch) Indicating a time ahead of the correct time.
(phonetics) Pronounced farther to the front of the vocal tract.
At or close to the state of the art.
Having moved forward in time or space (e.g. advanced ignition timing).
In a late stage of development; greatly developed beyond an initial stage.
with greater complexity, more difficult
verb
simple past tense and past participle of advance
advancer
advancer
noun
(bridge) The overcaller's partner, especially one who bids following the overcall.
A second branch of a buck's antler.
One who advances or puts forward.
advances
advances
noun
plural of advance
verb
Third-person singular simple present indicative form of advance
advehent
advehent
adj
(anatomy) Carrying towards an organ or structure.
adventry
advising
advising
noun
(obsolete) Advice.
verb
present participle of advise
advitant
advowson
advowson
noun
(UK, ecclesiastical law) The right to present a nominee to a vacant ecclesiastical benefice or church office.
adynamia
adynamia
noun
Lack or loss of strength, usually due to a disease.
adynamic
adynamic
adj
(physics) Characterised by the absence of force.
Not dynamic; without strength or vigor.
aedilian
aegemony
aegerian
aeginaea
aegirine
aegirine
noun
(mineralogy) A mineral with monoclinic crystals with the chemical formula NaFe³⁺(Si₂O₆) belonging to the pyroxene group.
aequorin
aequorin
noun
(biochemistry) A photoprotein, isolated from luminescent jellyfish and other marine organisms, composed of two distinct units: the apoprotein apoaequorin and the prosthetic group coelenterazine.
aerarian
aerarian
noun
An aerarius; the lowest class of citizen in Ancient Rome.
aerating
aerating
verb
present participle of aerate
aeration
aeration
noun
By extension, a process in which other gases (such as carbon dioxide or nitrogen or argon) are circulated through or mixed with a substance (usually liquid), sometimes with the consequence of increasing the transfer of air into the same liquid at the surface due to the induced circulation.
The process by which air is circulated through or mixed with a substance such as soil or a liquid.
aeriness
aerobian
aerobian
adj
(archaic) aerobic
aerobion
aerodone
aerodone
noun
(dated) glider (aircraft)
aerodyne
aerodyne
noun
(aviation) A heavier-than-air aircraft, deriving its lift from motion.
aerogene
aeronaut
aeronaut
noun
A person who travels through the air in an airship or balloon.
aeronomy
aeronomy
noun
A branch of science that deals with the upper atmosphere of the Earth and the other planets with reference to their chemical composition, physical properties, relative motion, and responses to radiation from space.
aesculin
aesculin
noun
Alternative form of esculin
aesopian
aethogen
aethogen
noun
(chemistry) A compound of nitrogen and boron which, when heated before the blowpipe, gives a brilliant phosphorescent; boric nitride.
aetolian
aetolian
Adjective
Of or relating to Aetolia.
Noun
A native or inhabitant of Aetolia.
afferent
afferent
adj
Carrying towards.
noun
An afferent structure or connection
affiance
affiance
noun
(archaic) A solemn engagement, especially a pledge of marriage.
Faith, trust.
verb
(transitive) To be betrothed to; to promise to marry.
affiants
affiants
noun
plural of affiant
affinage
affinage
noun
The aging of cheese as part of its manufacture.
affinely
affinely
adv
In an affine manner
affinite
affinity
affinity
noun
(chemistry) An attractive force between atoms, or groups of atoms, that contributes towards their forming bonds
(computing) tendency to keep a task running on the same processor in a symmetric multiprocessing operating system to reduce the frequency of cache misses
(geology) structural resemblances between minerals; resemblances that suggest that they are of a common origin or type.
(geometry) An automorphism of affine space.
(medicine) The attraction between an antibody and an antigen
(taxonomy) resemblances between biological populations, suggesting that they have a common origin, type or stock.
A family relationship through marriage of a relative (e.g. sister-in-law), as opposed to consanguinity (e.g. sister).
A kinsman or kinswoman of a such relationship; one who is affinal.
A love interest; a paramour.
A natural attraction or feeling of kinship to a person or thing.
Any passionate love for something.
Any romantic relationship.
The fact of and manner in which something is related to another.
affixing
affixing
adj
Of the function or role of an affix
noun
affixation
verb
present participle of affix
affixion
affixion
noun
The act of affixing; affixation, affixment, attachment.
affluent
affluent
adj
(by extension) Abounding in goods or riches; having a moderate level of material wealth.
(dated) Tributary.
(obsolete) Flowing to; flowing abundantly.
Abundant; copious; plenteous.
The Upper East Side is an affluent neighborhood in New York City.
noun
A stream or river flowing into a larger river or into a lake; a tributary stream; a tributary.
Somebody who is wealthy.
affronts
affronts
noun
plural of affront
verb
Third-person singular simple present indicative form of affront
affronty
affronty
Adjective
Facing the observer.
affusion
affusion
noun
A method of Christian baptism in which water is poured on the head of the person being baptized.
The pouring of liquid, especially as a hydrotherapy.
afghanis
afghanis
noun
plural of afghani
afikomen
afikomen
noun
(Judaism) The matzoh eaten at a Passover seder, after dinner.