16-letter words containing a, c, o, i
- affaire de coeur — an affair of the heart; love affair
- affectionateness — The state or quality of being affectionate.
- affluent society — a society in which the material benefits of prosperity are widely available
- african honeybee — killer bee.
- african mahogany — any of several African trees of the meliaceous genus Khaya, esp K. ivorensis, that have wood similar to that of true mahogany
- african marigold — a tropical American plant, Tagetes erecta, cultivated for its yellow or orange flower heads and strongly scented foliage: family Asteraceae (composites)
- african wild dog — a mottled dog of Africa, Lycaon pictus
- age of innocence — a novel (1920) by Edith Wharton.
- air conditioning — Air conditioning is a method of providing buildings and vehicles with cool dry air.
- alizarin crimson — a pigment used in painting, derived from anthraquinone and characterized by its red color and transparency.
- all-encompassing — all-embracing.
- alligator wrench — a wrench having a V -shaped pair of serrated jaws set at right angles to the shank for turning cylindrical or irregularly shaped parts.
- alloyed junction — a semiconductor junction used in some junction transistors and formed by alloying metal contacts, functioning as emitter and collector regions, to a wafer of semiconductor that acts as the base region
- alpha conversion — (theory) In lambda-calculus and reduction, the renaming of a formal parameter in a lambda abstraction. This does not change the meaning of the abstraction. For example: \ x . x+1 <--> \ y . y+1 If the actual argument to a lambda abstraction contains instances of the abstraction's formal parameter then it is necessary to rename the parameter before applying the abstraction to avoid name capture.
- alternative rock — a broad category of popular rock music typically regarded as somewhat out of the mainstream and variously including elements of punk rock, heavy metal, folk music, etc.
- aluminosilicates — Plural form of aluminosilicate.
- american buffalo — bison (def 1).
- american cowslip — shooting star (def 2).
- amerigo vespucci — Amerigo [uh-mer-i-goh;; Italian ah-me-ree-gaw] /əˈmɛr ɪˌgoʊ;; Italian ˌɑ mɛˈri gɔ/ (Show IPA), (Americus Vespucius) 1451–1512, Italian merchant, adventurer, and explorer after whom America was named.
- aminoacetic acid — glycine.
- aminocitric acid — an amino acid, C 6 H 9 O 7 N, that is a component of calf thymus ribonucleoprotein.
- aminocyclohexane — cyclohexylamine.
- ammonium acetate — a white, crystalline, deliquescent, water-soluble solid, NH 4 (C 2 H 3 O 2), used chiefly in the manufacture of dyes and meat preservatives.
- ammonium cyanate — a white, crystalline solid, CH 4 N 2 O, soluble in alcohol, that is converted into urea when heated.
- ammonium lactate — a colorless to yellow, water-soluble, syrupy liquid, C 3 H 9 NO 3 , used chiefly in electroplating.
- ammunition pouch — a pouch for carrying ammunition
- anabolic steroid — Anabolic steroids are drugs which people, especially athletes, take to make their muscles bigger and to give them more strength.
- anal intercourse — a form of sexual intercourse in which the penis is inserted into the anus
- analog recording — a method of sound recording in which an input audio waveform is converted to an analogous waveform.
- ancestor worship — (in certain societies) the veneration of ancestors whose spirits are frequently held to possess the power to influence the affairs of the living.
- ancienne-lorette — a town in S Quebec, in E Canada.
- ancient monument — a historical building or the remains of one, usually dating from no later than the medieval period, that has been designated as worthy of preservation and is often in the care of a government department
- angiographically — By the use of angiography.
- angular velocity — the velocity of a body rotating about a specified axis measured as the rate of change of the angle subtended at that axis by the path of the body
- anharmonic ratio — cross ratio.
- animal companion — an animal that is kept as a companion; pet.
- animated cartoon — a film produced by photographing a series of gradually changing drawings, etc, which give the illusion of movement when the series is projected rapidly
- anode resistance — (of a vacuum tube at a given level of output) the ratio of a small change in voltage of the anode to the corresponding small change in anode current.
- anomalistic year — the interval between two successive passages of the earth through perihelion; 365.25964 mean solar days
- anopisthographic — a manuscript, parchment, or book having writing on only one side of the leaves.
- antagonistically — acting in opposition; opposing, especially mutually.
- anthropocentrism — an anthropocentric theory or view.
- anthropometrical — Pertaining to anthropometry.
- anthroposemiotic — Of or pertaining to anthroposemiotics.
- anthroposophical — of or relating to anthroposophy
- anti-aphrodisiac — Also, aphrodisiacal [af-ruh-duh-zahy-uh-kuh l, -sahy-] /ˌæf rə dəˈzaɪ ə kəl, -ˈsaɪ-/ (Show IPA). arousing sexual desire.
- anti-consumerism — a modern movement for the protection of the consumer against useless, inferior, or dangerous products, misleading advertising, unfair pricing, etc.
- anti-monarchical — of, like, or pertaining to a monarch or monarchy.
- anti-romanticism — romantic spirit or tendency.
- anti-theoretical — of, relating to, or consisting in theory; not practical (distinguished from applied).