12-letter words containing a, c, t, e, o
- cardioactive — of or relating to a drug or other substance affecting the function of the heart.
- cargo pocket — a large patch pocket, usually pleated at the sides and often having a flap.
- carload rate — a special low rate for shipment by carloads
- carnot cycle — an idealized reversible heat-engine cycle giving maximum efficiency and consisting of an isothermal expansion, an adiabatic expansion, an isothermal compression, and an adiabatic compression back to the initial state
- carol stream — a town in NE Illinois.
- carpetmonger — a person who frequently visits women's boudoirs
- cartographer — A cartographer is a person whose job is drawing maps.
- case history — A person's case history is the record of past events or problems that have affected them, especially their medical history.
- 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.
- catalog code — the principles, rules, and regulations for entering and describing books or other library material in a catalog.
- cataphoreses — Plural form of cataphoresis.
- cataphoresis — electrophoresis
- catastrophes — Plural form of catastrophe.
- categorially — in a manner relating to or involving categories
- categoricity — The quality of being categorical.
- categorising — to arrange in categories or classes; classify.
- categorizing — Present participle of categorize.
- cater-cousin — a close friend
- cathetometer — an instrument measuring minute height differences
- cathiodermie — a beauty treatment for the skin, which involves using electrotherapy
- cathode glow — a luminous region between the Aston dark space and the Crookes dark space in a vacuum tube, occurring when the pressure is low.
- cathode rays — a stream of electrons emitted from the surface of a cathode in a valve
- cattleperson — Someone who works with, or rears cattle.
- catty-corner — Something that is catty-corner or kitty-corner from another thing is placed or arranged diagonally from it.
- cautiousness — showing, using, or characterized by caution: a cautious man; To be cautious is often to show wisdom.
- celebrations — Plural form of celebration.
- centerboards — Plural form of centerboard.
- centimorgans — Plural form of centimorgan.
- centroclinal — of, relating to, or designating a rock formation in which the strata slope down and in towards a central point or area
- centrolinead — a drafting instrument for drawing lines converging on a vanishing point outside the drawing.
- centrolineal — Of lines, converging to a centre.
- centuriation — the process or act of dividing land into centuries or equal areas undertaken by the Romans
- cephalometer — an instrument for positioning the human head for X-ray examination in cephalometry
- cephalometry — measurement of the dimensions of the human head by radiography: used mainly in orthodontics
- ceratopsians — Plural form of ceratopsian.
- cerebrations — Plural form of cerebration.
- cerebropathy — A hypochondriacal condition verging upon insanity, occurring in those whose brains have been unduly taxed.
- cerebrotonia — a personality type characterized by restraint, alertness, and an intellectual approach to life: said to be correlated with an ectomorph body type
- ceroplastics — the art of wax modelling
- cerotic acid — white insoluble odourless wax
- 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
- chaetognaths — Plural form of chaetognath.
- chalcopyrite — a widely distributed yellow mineral consisting of a sulphide of copper and iron in tetragonal crystalline form: the principal ore of copper. Formula: CuFeS2
- chalicothere — any of various very large extinct Tertiary horselike perissodactyl mammals that had clawed feet but otherwise resembled titanotheres
- chamber tomb — a prehistoric tomb with a chamber inside it in which the body of an important person was laid to rest
- change front — to redeploy (a force in the field) so that its main weight of weapons points in another direction