12-letter words containing a, c, e, s, i, o
- 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.
- atmospherics — Atmospherics are elements in something such as a piece of music or a book which create a certain atmosphere.
- auction sale — an instance of items being sold by auction
- auction site — a commercial website on which items are sold by internet auction
- autoeciously — in an autoecious manner
- autotheistic — Self-worshiping; prideful in the extreme.
- axiom schema — (logic) A formula in the language of an axiomatic system, containing one or more. These metasyntactic variables (or "schematic variables") that stand for terms or subformulae. An example is the Axiom of Comprehension.
- bachelorship — the state of being a bachelor; bachelorhood
- bacon-slicer — a machine for cutting bacon into slices
- bacteriostat — any substance that arrests the growth or reproduction of bacteria but does not kill them
- beaconsfield — a town in SE England, in Buckinghamshire. Pop: 12 292 (2001)
- biomagnetics — the study of magnetic fields as a form of therapy
- biomechanics — the study of the mechanics of the movement of living organisms
- blastocoelic — of or relating to the blastocoel
- borosilicate — a salt of boric and silicic acids
- caenogenesis — the development of structures and organs in an embryo or larva that are adaptations to its way of life and are not retained in the adult form
- caesalpinoid — of, relating to, or belonging to the Caesalpinoideae, a mainly tropical subfamily of leguminous plants that have irregular flowers: includes carob, senna, brazil, cassia, and poinciana
- cafe society — people, esp intellectuals and artists who meet in cafés
- calorimeters — Plural form of calorimeter.
- calycoideous — calycoid
- canine corps — a military or law enforcement body which uses dogs for the detection of explosives or drugs or for security, tracking, etc
- canonicalise — (transitive, computing, UK) Alternative form of canonicalize.
- cape sounion — Cape, a cape in E central Greece, SE of Athens, at the tip of the Attica peninsula, in W Aegean Sea.
- capillaceous — having numerous filaments resembling hairs or threads
- captiousness — The state of being captious.
- carbonatites — Plural form of carbonatite.
- case history — A person's case history is the record of past events or problems that have affected them, especially their medical history.
- cassiopeia a — a very strong radio and X-ray source in the constellation Cassiopeia, identified as the remnant of a supernova thought to have occurred in the late 17th century
- castellation — Architecture. built like a castle, especially with turrets and battlements.
- castile soap — a hard soap made from olive oil and sodium hydroxide
- casting vote — When a committee has given an equal number of votes for and against a proposal, the chairperson can give a casting vote. This vote decides whether or not the proposal will be passed.
- cataphoresis — electrophoresis
- categorising — to arrange in categories or classes; classify.
- cater-cousin — a close friend
- cauliflowers — Plural form of cauliflower.
- cautiousness — showing, using, or characterized by caution: a cautious man; To be cautious is often to show wisdom.
- celebrations — Plural form of celebration.
- centimorgans — Plural form of centimorgan.
- ceratopsians — Plural form of ceratopsian.
- cerebrations — Plural form of cerebration.
- ceroplastics — the art of wax modelling
- cessationism — The concept, amongst most Christians, that the works of the Holy Spirit (speaking in tongues, prophecy, healing, and miracles) ceased at some point in history.
- cessationist — One who subscribes to cessationism.
- chaetiferous — having bristles
- chain smoker — person: smokes heavily
- chain-smoker — A chain-smoker is a person who chain-smokes.