12-letter words containing a, l, e, o, c
- aortic valve — a semilunar valve between the aorta and the left ventricle of the heart that prevents the blood from flowing back into the left ventricle.
- apicomplexan — Describing protists of the phylum Apicomplexa.
- apodeictical — Apodeictic.
- appeal court — An appeal court is the same as a Court of Appeal.
- appleknocker — Northern U.S. a rustic.
- approachable — If you describe someone as approachable, you think that they are friendly and easy to talk to.
- archaeologic — Pertaining to archaeology.
- archeologist — archaeology.
- archesporial — the primitive cell, or group of cells, that give rise to the cells from which spores are derived.
- archipelagos — Plural form of archipelago.
- argillaceous — (of sedimentary rocks and deposits) composed of very fine-grained material, such as clay, shale, etc
- artiodactyle — (zoology) One of the Artiodactyla, a group of ungulates.
- ash-coloured — silver-grey in colour
- atactostelic — Of or possessing an atactostele.
- atheological — having an aversion or resistance to theology
- atheoretical — having no connection with and not founded on theory
- auction sale — an instance of items being sold by auction
- autocatalyse — to cause an internal, self-produced, chemical reaction
- autocatalyze — To cause, or to undergo autocatalysis.
- 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.
- autoeciously — in an autoecious manner
- bachelor pad — a flat in which a bachelor lives
- bachelorette — A bachelorette is a woman who has never married.
- bachelorhood — the state of being a bachelor.
- bachelorship — the state of being a bachelor; bachelorhood
- backboneless — lacking backbone; cowardly
- bacon-slicer — a machine for cutting bacon into slices
- bacteriology — Bacteriology is the science and the study of bacteria.
- baklava code — (humour, programming) Code with too many layers. Also known as Lasagne Code.
- balsamaceous — any of various fragrant exudations from certain trees, especially trees of the genus Commiphora, as balm-of-Gilead. Compare balm (def 1).
- banner cloud — a plume-shaped cloud extending downwind from an isolated mountain peak. Also called cloud banner. Compare cap cloud (def 1).
- barcalounger — a type of reclinable armchair with an extendable footrest
- barge couple — either of a pair of outside rafters along the gable end of a roof
- barometrical — (archaic) Relating to, or observed with, a barometer, barometric.
- beacon light — a light signal for shipping
- beaconsfield — a town in SE England, in Buckinghamshire. Pop: 12 292 (2001)
- beaver cloth — beaver1 (def 8).
- beta blocker — A beta blocker is a drug which is used to treat people who have high blood pressure or heart problems.
- beta-blocker — any of various substances that interfere with the action of the beta receptors: used primarily to reduce the heart rate or force in the prevention, management, or treatment of angina, hypertension, or arrythmias.
- bibliothecal — relating to a bibliotheca
- bicollateral — (of a vascular bundle) having two phloem groups to the inside and outside, respectively, of the xylem
- bingo caller — the person who shouts out the numbers to bingo players
- biomolecular — relating to a biomolecule
- biotechnical — relating to biotechnology
- black coffee — coffee with no milk, milk substitute, or cream added
- black comedy — a comedy dealing with an unpleasant situation in a pessimistic or macabre manner
- black copper — a regulus of 95-percent-pure copper, produced in a blast furnace by smelting oxidized copper ores.
- black forest — wooded mountain region in SW Germany
- black grouse — a large N European grouse, Lyrurus tetrix, the male of which has a bluish-black plumage and lyre-shaped tail
- black heroin — a very potent and addictive form of heroin that is dark-colored.