(astronomy, geology) Any stony meteorite that contains no chondrules
achroacyte
achroacyte
noun
(cytology) Any colourless cell (especially a lymphocyte)
achromasia
achromasia
noun
Absence of normal skin pigmentation (from bruising, stress or disease); pallor or achromia.
The inability of a cell or tissue to be stained.
achromatic
achromatic
adj
(biology) Uncolored; not absorbing color from a fluid; -- said of tissue
(music) Having only the diatonic notes of the scale; not modified by accidentals.
(optics) Free from color; transmitting light without color-related distortion.
Being achromatic in subject
Containing components such as achromatic lenses and prisms, designed to prevent color-related distortion.
achromatin
achromatin
noun
(biology) Tissue that is not stained by fluid dyes.
achromycin
achronical
achronical
adj
(astronomy) Alternative form of achronic
acichlorid
acidogenic
acidogenic
adj
Which generates acid or acidity.
acidolysis
acidolysis
noun
(chemistry) Decomposition of a molecule under the influence of 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.
acidometry
acidometry
noun
Alternative form of acidimetry
acidophile
acidophile
noun
A plant that thrives in relatively acid soil.
An organism that lives and thrives under acidic conditions; a form of extremophile.
acieration
acieration
noun
(rare) The conversion of iron into steel.
acinaceous
acinaceous
adj
(botany) Containing seeds or stones of grapes, or grains like them.
acinacious
acinarious
acinarious
adj
(botany) Having acini
acleistous
acoelomata
acoelomate
acoelomate
adj
(zoology) Having no coelom.
noun
(zoology) Any animal without a coelom.
acoelomous
acoelomous
adj
Synonym of acoelomate
acolapissa
acolyctine
acolyctine
noun
(organic chemistry) An organic base, in the form of a white powder, obtained from Aconitum lycoctonum.
acolythate
acolythate
noun
The office of an acolyte
acondylose
acondylose
adj
Alternative form of acondylous
acondylous
acondylous
adj
(anatomy) Without joints; jointless.
aconelline
aconuresis
aconuresis
noun
(pathology) urinary incontinence (inability to control urination)
acosmistic
acosmistic
adj
Relating to acosmism or to acosmists
acotyledon
acotyledon
noun
(botany) A plant that has no cotyledons, as the dodder and all flowerless plants.
acouometer
acousmatic
acousmatic
adj
(music) Referring to pre-recorded music that is presented in concert using loudspeakers, e.g. some types of computer music.
Referring to Pythagorean disciples who for years listened to his lectures from behind a curtain, unable to see him.
Referring to a sound that has no visually identifiable cause.
acoustical
acoustical
adj
Of or pertaining to hearing or acoustics.
acousticon
acousticon
noun
(historical) A kind of hearing aid.
acquisitor
acquisitor
noun
one who acquires
acridonium
acridonium
noun
Alternative form of acridinium
acrimonies
acrimonies
noun
plural of acrimony
acrindolin
acroamatic
acroamatic
adj
(rare) Of or related to esoteric knowledge transmitted orally, particularly (historical) the teachings of Aristotle intended only for his disciples as opposed to the exoteric doctrines declaimed in public.
Of or related to lectures.
acroataxia
acroataxia
noun
(pathology) ataxia that affects the hands and fingers, feet and toes
acrobacies
acrobatics
acrobatics
noun
A spectacular display of agility.
The art of performing acrobatic gymnastic feats.
acrobatism
acrobatism
noun
(dated) The feats of an acrobat; daring gymnastic feats.
acrobryous
acrogamous
acrogenous
acrogenous
adj
(botany) Increasing by growth from the extremity.
acrography
acrography
noun
A method of relief etching on wood, metal, or stone by means of a coating of compressed chalk, invented by Louis Schonberg in 1841.
An organizing principle for written lists, based on initial glyphs.
Decorative plaster work of various styles used in middle eastern architecture.
acrogynous
acrogynous
adj
(botany) Producing archegonia from the apical cell of a reproductive branch.
acrolithan
acrolithan
Adjective
Relating to, or like, an acrolith.
acrolithic
acrolithic
adj
Relating to, or like, an acrolith.
acrologies
acrologism
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.
acromicria
acromicria
noun
(pathology) hypoplasia of the limbs, and often digits, nose, and jaw
acromyodic
acromyodic
adj
Relating to the acromyodians
acronichal
acronychal
acronychal
adj
Alternative form of acronical
acronymize
acronymize
verb
(transitive) To turn a phrase into an acronym.
acronymous
acronymous
adj
Pertaining to the use of acronyms.
acrophobia
acrophobia
noun
phobia or strong fear of being high above ground level
acrophonic
acrophonic
adj
Conforming to acrophony.
acropodium
acropodium
noun
(anatomy) The upper surface of the foot
(architecture) A plinth or pedestal bearing a statue
acropoleis
acropoleis
noun
plural of acropolis
acrorhagus
acrorhagus
noun
Any of a set of marginal tubercles of sea anemones containing specialized nematocysts
acrosarcum
acroscopic
acroscopic
adj
Toward or facing the apex.
acrospired
acrospired
verb
simple past tense and past participle of acrospire
acrostical
acrostical
adj
Like an acrostic.
acrostolia
acroterial
acroterial
adj
Pertaining to an acroterium.
acroterion
acroterion
noun
Alternative form of acroterium
acroterium
acroterium
noun
(architecture) One of the small pedestals, for statues or other ornaments, placed on the apex and at the basal angles of a pediment, or upon the gables in Gothic architecture.
One of the pedestals, for vases or statues, forming a part roof balustrade.
acrotomous
acrotomous
adj
(mineralogy) Having a cleavage parallel with the base.
actiniform
actiniform
adj
Having a radiated form
actinocarp
actinogram
actinogram
noun
The record produced by an actinograph
actinoidea
actinolite
actinolite
noun
(mineralogy) A mineral with monoclinic crystals of the chemical formula Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂, belonging to the amphibole group.
actinology
actinology
noun
(sciences) The study of the effect of light on chemicals.
actinomere
actinomere
noun
(zoology) One of the radial segments making up the body of one of the Coelenterata or similar organism
actinonema
actinopoda
actinosoma
actinosome
actinosome
noun
(zoology) The entire body of a coelenterate.
actinozoal
actinozoal
adj
(zoology) Of or pertaining to the Actinozoa.
actinozoan
actinozoan
noun
Synonym of actinozoon
actinozoon
actinozoon
noun
(zoology) One of the Actinozoa.
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.
actionably
actionably
adv
In an actionable manner.
actionized
actionized
verb
simple past tense and past participle of actionize
actionless
actionless
adj
Lacking action; particularly with respect to entertainment, dull, boring.
activation
activation
noun
(biochemistry) The process by which molecules are made able to react.
(marketing) The promotion of a brand through an event or campaign.
(physics) The process of making a radioisotope by bombarding a stable element with neutrons or protons.
Making active and effective; bringing into a state of activity.
activators
activators
noun
plural of activator
actomyosin
actomyosin
noun
(biochemistry) A protein complex composed of actin and myosin, found in muscle fibres.
acuclosure
aculeiform
aculeiform
adj
Like a prickle or thorn
aculeolate
aculeolate
adj
Having small prickles or sharp points.
acusection
acutograve
acutorsion
acutorsion
noun
(medicine) The twisting of an artery with a needle to arrest hemorrhage.
acyanopsia
acyanopsia
noun
Alternative form of acyanopia
adactylous
adactylous
adj
Without claws on the feet (of crustaceous animals).
Without fingers or without toes.
adagiettos
adagiettos
noun
plural of adagietto
adagissimo
adagissimo
adv
(music) Very slowly.
adamantoid
adamantoid
noun
A crystal characterized by being bound by 48 equal triangles; a hexoctahedron.
adamantoma
adamantoma
noun
Alternative spelling of adamantinoma
adaptation
adaptation
noun
(countable) A change that is made or undergone to suit a condition or environment.
(countable, authorship) An artistic work that has been adapted from a different medium.
(countable, evolutionary theory) An instance of an organism undergoing change, or the structure or behavior that is changed.
(sociology) The means by which social groups adapt to different social and physical environments.
(uncountable) The process of adapting an artistic work from a different medium.
(uncountable) The process of adapting something or becoming adapted to a situation; adjustment, modification.
(uncountable, evolutionary theory) The process of change that an organism undergoes to be better suited to its environment.
adaptional
adaptional
adj
(biology) Applied to the process by which an organism is fitted or adapted to its environment
Relating or pertaining to adaptation, or the action of adapting.
adaptorial
adaptorial
adj
Tending to adapt or fit; adaptive.
addictions
addictions
noun
plural of addiction
addisonian
addisonian
adj
Alternative letter-case form of Addisonian.
additional
additional
adj
Supplemental or added to something.
noun
Something added.
adelantado
adelantado
noun
(historical) A governor of a province; a commander, in Spain and other Spanish-speaking countries.
adenectomy
adenectomy
noun
(medicine) The removal of all or part of the adenoid glands by surgery.
adenoblast
adenoblast
noun
(cytology) An embryonic cell that can develop to form glandular parenchyma
adenodynia
adenodynia
noun
(pathology) pain in a gland; adenalgia
adenoidism
adenoidism
noun
adenoiditis
adenomyoma
adenomyoma
noun
A complex tumor including components derived from glands and muscle.
adenoneure
adenopathy
adenopathy
noun
(pathology) Swelling or enlargement of the glands (especially the lymph nodes); any glandular disease.
adenophora
adenophore
adenophyma
adenostoma
adenotomic
adenotomic
adj
Pertaining to adenotomy (the dissection of or incision into a gland).
adenoviral
adenoviral
adj
(medicine) Of, pertaining to, or caused by an adenovirus
adenovirus
adenovirus
noun
(medicine) Any virus of the family Adenoviridae, many of which are responsible for respiratory infections in humans
adephagous
adephagous
adj
Relating to the Adephaga
greedy, gluttonous
adequation
adequation
noun
(linguistics) A change in the meaning of a term depending upon context
(obsolete) The act of equalizing; act or result of making adequate; an equivalent.
equivalence
adhesional
adhesional
adj
Relating to adhesion.
adhibition
adhibition
noun
The act of adhibiting.
adiabolist
adiabolist
noun
(obsolete) one who does not believe in the Devil.
adiaphonon
adiaphoral
adiaphoral
adj
Being or relating to an adiaphoron.
adiaphoron
adiaphoron
noun
(philosophy) A matter that is morally neutral.
(theology) Something neither forbidden nor commanded by scripture.
adipogenic
adipogenic
adj
(biology) That forms fat, or fatty tissue; lipogenic
adipolysis
adipolysis
noun
(anatomy, medicine) The process of converting fat into free fatty acids, especially by the action of enzymes.
adipolytic
adipolytic
adj
(biochemistry) That hydrolyses fat into free fatty acids, especially by the action of enzymes
adipometer
adipometer
noun
A calliper used to estimate the amount of internal fat by measuring the thickness of a fold of skin
adipopexia
adipopexia
noun
Alternative form of adipopexis
adipopexic
adipopexis
adipopexis
noun
(physiology) The storage of fat in tissue.
adiposuria
adiposuria
noun
Synonym of lipuria
adirondack
adirondack
Noun
A member of an Algonquin people that lived along the Ottawa River in Ontario and Quebec.
Proper noun
The Adirondacks
adjoinedly
adjoinedly
adv
In an adjoined manner; connectedly.
adjourning
adjourning
verb
present participle of adjourn
adjunction
adjunction
noun
(category theory) Given a pair of categories 𝒞 and 𝒟: an anti-parallel pair of functors F:𝒞→𝒟 and G:𝒟→𝒞 and a natural transformation 𝜂: mbox id_C→GF called “unit” such that for any object A∈𝒞, for any object B∈𝒟, and for any morphism f:A→GB, there is a unique morphism g:FA→B such that Gg∘𝜂_A=f. (Note: there is another natural transformation called “counit” as well but its existence may be derived by theorem.) The pair of functors express a similarity between the pair of categories which is weaker than that of an equivalence of categories.
(law) The joining of personal property owned by one to that owned by another.
The act of joining; the thing joined or added.
adjuration
adjuration
noun
A grave warning.
A solemn oath.
adjuratory
adjuratory
adj
Of or pertaining to an adjuration.
adjustores
adlegation
adlegation
noun
A right formerly claimed by the states of the German Empire of joining their own ministers with those of the emperor in public treaties and negotiations to the common interest of the empire.
admiration
admiration
noun
(obsolete) Cause of admiration; something to excite wonder, or pleased surprise.
(obsolete) Wondering or questioning (without any particular positive or negative attitude to the subject).
A positive emotion including wonder and approbation; the regarding of another as being wonderful
admissions
admissions
noun
The department, section, administrative team, etc., that process admissions for an institution, hospital, etc.; the place where such a department is located.