12-letter words containing a, c, h
- closed chain — any structural arrangement, used in the models and formulas of molecules, consisting of a chain of atoms that forms a closed geometric figure; ring
- clothes rack — a framework for holding or displaying clothes in a shop
- clutch pedal — The clutch pedal is the pedal by which the driver of a vehicle operates the clutch.
- clutch plate — a plate in a vehicle's clutch that connects to the transmission
- coach driver — a person who drives a coach
- coachability — a large, horse-drawn, four-wheeled carriage, usually enclosed.
- coachbuilder — (historical) A builder of horse-drawn coaches.
- coast salish — (in Canada) a division of the peoples who speak Salish languages
- cochairwoman — a woman who cochairs an organization
- cochin china — a former French colony of Indochina (1862–1948): now the part of Vietnam that lies south of Phan Thiet
- cochin-china — a former state in S French Indochina: now part of Vietnam.
- cock feather — the odd-coloured feather set on the shaft of an arrow at right angles to the nock
- code-sharing — a commercial agreement between two airlines that allows passengers to use a ticket from one airline to travel on another
- coelacanthic — of or relating to the coelacanth
- coenesthesia — general awareness of one's own body
- cohabitating — cohabit.
- cohabitation — the state or condition of living together in a conjugal relationship without being married
- coin changer — a machine that gives change rapidly, as to a customer, typically operated by a manual keyboard and often used in association with a cash register.
- coin machine — slot machine (def 2).
- cold cathode — a cathode from which electrons are emitted at ambient temperature, due to a high potential gradient at the surface
- cold-hearted — A cold-hearted person does not feel any affection or sympathy towards other people.
- coleorrhizae — protective sheath enclosing grass seedlings
- colour chart — a chart with samples of paint colours
- colour phase — a seasonal change in the coloration of some animals
- colporrhaphy — (surgery) suturing of a defect in the wall of the vagina.
- come to hand — to become available; be received
- cometography — the scientific description and recording of comets
- commonwealth — The Commonwealth is an organization consisting of the United Kingdom and most of the countries that were previously under its rule.
- compost heap — an outdoor pile of compostabale material that degrades into compost
- concert hall — a hall where concerts are performed
- conchoidally — In a conchoidal manner.
- constraineth — Archaic third-person singular form of constrain.
- contact high — a state of altered consciousness caused by inhaling the drugs other people are smoking
- coprophagist — a person who eats excrement
- coprophagous — (esp of certain beetles) feeding on dung
- coprophiliac — of or relating to coprophilia
- copy machine — A copy machine is the same as a copier.
- coresearcher — a joint researcher
- corner chair — a chair having an approximately square seat with a leg at each corner and a back extending around two adjacent sides.
- cornishwoman — a woman who is a native or inhabitant of Cornwall
- coronagraphs — Plural form of coronagraph.
- coronal hole — a part of the solar corona that appears dark on optical and x-ray images and is characterized by low temperature and low density.
- corrivalship — the position of a corrival
- cosmographer — (astrophysics) A scientist specializing in understanding and describing the nature of the universe.
- cosmographic — Of or pertaining to cosmography.
- couch potato — A couch potato is someone who spends most of their time watching television and does not exercise or have any interesting hobbies.
- coulrophobia — an abnormal fear of clowns.
- counter hand — a person who works behind a counter; assistant
- countercharm — an object or action that is capable of destroying a magical charm
- counterearth — (in Pythagorean astronomy) a planet, out of sight from our part of the earth, whose shadow upon the sun and moon, cast by a central fire that is also out of sight, causes the eclipses.