16-letter words containing r, a, i, n
- aleutian current — a current in the Pacific Ocean that flows eastward between latitudes 40° and 50° N.
- alexander baring — Alexander, 1st Baron Ashburton, 1774–1848, British statesman.
- alexander island — island of Antarctica, just west of the base of the Antarctic Peninsula, in the British Antarctic Territory: c. 16,700 sq mi (43,253 sq km)
- alexander nevski — Saint. ?1220–63, Russian prince and military leader, who defeated the Swedes at the River Neva (1240) and the Teutonic knights at Lake Peipus (1242)
- alexandria senna — See under senna (def 2).
- algebraic number — any number that is a root of a polynomial equation having rational coefficients such as √2 but not π
- alimentary canal — The alimentary canal in a person or animal is the passage in their body through which food passes from their mouth to their anus.
- alizarin crimson — a pigment used in painting, derived from anthraquinone and characterized by its red color and transparency.
- all-terrain bike — mountain bike. Abbreviation: ATB.
- 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.
- alliterativeness — The state or quality of being alliterative.
- 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.
- alpha-adrenergic — of or having to do with an alpha receptor
- alpha-interferon — interferon (def 2).
- alphanumerically — In an alphanumeric manner; using alphanumeric characters.
- alpine bearberry — a related species, A. alpina of European mountains, having black berries
- alternative fact — a theory posited as an alternative to another, often more widely accepted, theory
- alternative fuel — An alternative fuel is any automotive fuel other than gasoline and diesel fuel.
- 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.
- alternative vote — of or relating to a system of voting in which voters list the candidates in order of preference. If no candidate obtains more than 50% of first-preference votes, the votes for the bottom candidate are redistributed according to the voters' next preference
- aluminium bronze — any of a range of copper alloys that contain between 5 and 10 per cent aluminium
- aluminum carbide — a yellow, crystalline solid, Al 4 C 3 , that reacts with water to form methane.
- aluminum nitrate — a white, crystalline, water-soluble solid, Al(NO 3) 3 ⋅9H 2 O, used chiefly as a mordant in dyeing cotton.
- alvarez quintero — Joa‧ˈquín (hwɑˈkin ) ; hwäkēnˈ) 1873-1944; Sp. playwright
- ambidextrousness — The state or quality of being ambidextrous.
- ambulance driver — a person whose job is to drive an ambulance
- amebic dysentery — a form of dysentery caused by an amoeba (Entamoeba histolytica)
- amending formula — a specified process or procedure by which a constitution may be amended
- american bittern — any of several tawny brown herons that inhabit reedy marshes, as Botaurus lentiginosus (American bittern) of North America, and B. stellaris, of Europe.
- american buffalo — bison (def 1).
- american cowslip — shooting star (def 2).
- american english — the form of English spoken in the US
- american kestrel — a small American falcon (Falco sparverius) with a reddish-brown back and tail; sparrow hawk
- american mustard — a mild yellow mustard
- american spanish — Spanish as used in Latin America. Abbreviation: AmerSp.
- american tragedy — a novel (1925) by Theodore Dreiser.
- amidinohydrazone — any of a group of pesticides, originally developed as antimalarial and antitubercular drugs, that impair cell respiration in cockroaches, red ants, and other insects.
- aminocitric acid — an amino acid, C 6 H 9 O 7 N, that is a component of calf thymus ribonucleoprotein.
- aminotransferase — transaminase.
- ammonium nitrate — a colourless highly soluble crystalline solid used mainly as a fertilizer and in explosives and pyrotechnics. Formula: NH4NO3
- anabolic steroid — Anabolic steroids are drugs which people, especially athletes, take to make their muscles bigger and to give them more strength.
- anagrammatically — In an anagrammatic manner.
- 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.
- analytical entry — a bibliographic record of part of an item for which a comprehensive bibliographic record has been made, as a single play or essay in an anthology, a subject in a comprehensive work, or a part of a multivolume set of books.
- 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.
- andreas vesalius — Andreas [ahn-dre-ahs] /ɑnˈdrɛ ɑs/ (Show IPA), 1514–64, Flemish anatomist.
- andrei vishinsky — Andrei Yanuarievich [uhn-dryey yi-noo-ah-ryi-vyich] /ʌnˈdryeɪ yɪ nuˈɑ ryɪ vyɪtʃ/ (Show IPA), 1883–1954, Soviet statesman.
- andromeda strain — a hypothetical microorganism, as might be developed from biological research, that if released would uncontrollably kill living things on earth