13-letter words containing c, i, o, n
- aerodynamical — relating to aerodynamics
- aeromagnetics — the science of measuring magnetic characteristics associated with atmospheric conditions of the earth.
- aeromechanics — the mechanics of gases, esp air
- affectionally — In an affectional manner.
- affectionated — Simple past tense and past participle of affectionate.
- affectionless — showing no affection or kindly disposition towards
- african union — an organization of African states established in 2002 as successor to the OAU; it aims to encourage economic development and political stability through increased cooperation between its members
- afro-american — African-American
- agonistically — in an agonistic manner
- agro-economic — of or relating to a nation's agricultural economy, the financial problems of farmers as a group, etc.: mounting pressures on the agro-economic system.
- agronomically — in an agronomic manner
- air force one — the US Air Force plane used by the US president
- air injection — injection of liquid fuel into the cylinder of an internal-combustion engine, especially a diesel, by means of a jet of compressed air.
- air-condition — to apply air conditioning to
- aircraftwoman — The female equivalent of an aircraftman.
- aircraftwomen — Plural form of aircraftwoman.
- albumin color — (in textile printing) a color fixed to a fabric by an albuminous mordant.
- all-consuming — taking up all of someone's time and attention
- alluvial cone — a steep, narrow, cone-shaped alluvial fan formed where a swift stream suddenly slows down, as where an upland stream emerges abruptly into a level plain
- alpine chough — a bird of the crow family, Pyrrocorax graculus, found in the highest mountain regions of S Europe and central Asia, with a yellow bill, black plumage, and red legs
- american aloe — century plant
- american bond — a brickwork bond having a course of headers between five or six courses of stretchers.
- american fork — a town in central Utah.
- amino radical — the univalent group, −NH 2 .
- aminoaciduria — the presence of amino acids in urine
- ammonia clock — an atomic clock based on the frequency of inversion of the ammonia molecule
- amniocenteses — Plural form of amniocentesis.
- amniocentesis — If a pregnant woman has an amniocentesis, fluid is removed from her womb in order to check that her unborn baby is not affected by certain genetic disorders.
- amphictyonies — Plural form of amphictyony.
- amphotericins — Plural form of amphotericin.
- amplification — the act or result of amplifying
- anachronistic — You say that something is anachronistic when you think that it is out of date or old-fashioned.
- anaerobically — (of an organism or tissue) living in the absence of air or free oxygen.
- anaphorically — referring back to or substituting for a preceding word or group of words: anaphoric reference.
- anaphrodisiac — tending to lessen sexual desire
- anaphylactoid — Of, pertaining to, or resembling anaphylaxis.
- androcentrism — centered on, emphasizing, or dominated by males or masculine interests: an androcentric society; an androcentric religion.
- androdioecism — the state of being androdioecious
- anecdotically — in an anecdotical manner
- anesthetic to — incapable of feeling or responding to
- anfractuosity — the condition or quality of being anfractuous
- angiosarcomas — Plural form of angiosarcoma.
- anglicisation — The process by which something or someone (usually a word) is made more English. Usually applied to language or culture.
- anglicization — (US) alternative spelling of anglicisation.
- anharmonicity — (mechanics) Of or pertaining to the deviation of a system from harmonicity (being a harmonic oscillator).
- anise camphor — anethole.
- anisometropic — relating to anisometropia
- anno hebraico — A.H.
- annunciations — Plural form of annunciation.
- anomalistical — relating to a planet's angular distance from its last perihelion or orbital point nearest to the sun