12-letter words containing c, o, a, e
- archaeometry — the use of science and modern technology in archaeology to examine and interpret archaeological remains
- archdeaconry — the office, rank, or duties of an archdeacon
- archdiocesan — Relating to an archdiocese.
- archdioceses — Plural form of archdiocese.
- archegoniate — having archegonia
- archenterons — Plural form of archenteron.
- archeologist — archaeology.
- archeopteryx — A specimen of the species Archaeopteryx lithographica, being the earliest and most primitive known bird, representing a transition in the evolution of dinosaurs to birds.
- archesporial — the primitive cell, or group of cells, that give rise to the cells from which spores are derived.
- archesporium — archespore.
- archibenthos — the ocean bottom between the littoral and abyssal zones: from depths of approximately 200 feet (60 meters) to 3300 feet (1000 meters).
- archipelagos — Plural form of archipelago.
- archiphoneme — an abstract linguistic unit representing two or more phonemes when the distinction between these has been neutralized: conventionally shown by a capital letter within slashes, as /T/ for /t/ and /d/ in German Rat and Rad
- arctic ocean — the ocean surrounding the North Pole, north of the Arctic Circle. Area: about 14 100 000 sq km (5 440 000 sq miles)
- argillaceous — (of sedimentary rocks and deposits) composed of very fine-grained material, such as clay, shale, etc
- armed forces — The armed forces or the armed services of a country are its military forces, usually the army, navy, marines, and air force.
- armoured car — a fast lightly armed and armoured vehicle, mainly used for reconnaissance
- army officer — a person in the army who holds a position of authority, responsibility and duty, especially one who holds a commission
- art director — a person responsible for the sets and costumes in a film
- arthrobacter — a genus of rod-shaped or spherical bacteria found in the soil.
- arthroscopes — Plural form of arthroscope.
- artiodactyle — (zoology) One of the Artiodactyla, a group of ungulates.
- ascensionist — a person who has completed a mountain ascent, esp a notable one
- ascomycetous — belonging or pertaining to the Ascomycota.
- ash-coloured — silver-grey in colour
- aspect ratio — the ratio of width to height of the picture on a television or cinema screen
- assay office — an organization that assays and monitors the purity of precious metals in a particular country
- assuefaction — the condition of being or becoming familiar with or used to something
- astigmoscope — astigmatoscope.
- astrochemist — (chemistry, astronomy) A chemist or astronomer whose speciality is astrochemistry.
- asynchronies — a lack of synchronism or coincidence in time.
- atactostelic — Of or possessing an atactostele.
- atheological — having an aversion or resistance to theology
- atheoretical — having no connection with and not founded on theory
- atmospherics — Atmospherics are elements in something such as a piece of music or a book which create a certain atmosphere.
- atomic power — nuclear power.
- au contraire — on the contrary
- auction sale — an instance of items being sold by auction
- auction site — a commercial website on which items are sold by internet auction
- auctioneered — Simple past tense and past participle of auctioneer.
- autocatalyse — to cause an internal, self-produced, chemical reaction
- autocatalyze — To cause, or to undergo autocatalysis.
- autochangers — Plural form of autochanger.
- autochthones — Alternative spelling of autochthons.
- autocomplete — a feature of a word processor, email program, web browser, etc., that automatically predicts the remaining characters in a word or phrase based on what has been typed or input before: If you supply the information, your browser will be able to use autocomplete to fill out online forms.
- autocritique — the examination of factors guiding one's thoughts, beliefs and actions; self-criticism
- autodestruct — likely to or possessing the power to destroy or obliterate itself or its possessor
- autoeciously — in an autoecious manner
- autoexec.bat — (operating system) The batch file containing commands, loaded by MS-DOS after running CONFIG.SYS. AUTOEXEC.BAT contains normal DOS commands and can be used for additional system configuration such as setting paths and variables, configuring network connections and running application programs.
- autoinjector — A medical device designed to deliver a single dose of a particular, typically life-saving, drug.