12-letter words containing e, c, h, o, a
- cold-hearted — A cold-hearted person does not feel any affection or sympathy towards other people.
- coleorrhizae — protective sheath enclosing grass seedlings
- colour phase — a seasonal change in the coloration of some animals
- 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
- constraineth — Archaic third-person singular form of constrain.
- 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.
- 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.
- cosmographer — (astrophysics) A scientist specializing in understanding and describing the nature of the universe.
- 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.
- countermarch — to march or cause to march back along the same route
- countershaft — an intermediate shaft that is driven by, but rotates in the opposite direction to, a main shaft, esp in a gear train
- cover charge — A cover charge is a sum of money that you must pay in some restaurants and nightclubs in addition to the money that you pay there for your food and drink.
- crash course — A crash course in a particular subject is a short course in which you are taught basic facts or skills, for example before you start a new job.
- creaturehood — the state of being a creature
- crosspatches — Plural form of crosspatch.
- crowned head — a monarch
- crymotherapy — cryotherapy.
- cycloheptane — (organic compound) An alicyclic hydrocarbon, C7H14; a volatile inflammable liquid.
- cyclohexanol — (organic compound) The alicyclic alcohol derived from cyclohexane by replacement of a hydrogen atom with a hydroxyl group.
- cymbocephaly — scaphocephaly.
- cytochemical — the branch of cell biology dealing with the detection of cell constituents by means of biochemical analysis and visualization techniques.
- czechoslovak — Czechoslovak means belonging or relating to the former state of Czechoslovakia.
- dasher block — a block at the end of a yard or gaff for supporting a signal or ensign halyard.
- dealcoholize — to remove some or all of the alcohol from (a drink).
- death notice — a public announcement, e.g. in a newspaper, that someone has died
- debaucherous — tending toward or involving debauchery, or excessive indulgence in sensual pleasures: a night of debaucherous fun.
- dechlorinate — to remove chlorine from (a substance)
- demographics — data resulting from the science of demography; population statistics
- dermographic — dermatographia.
- detectaphone — a device for listening secretly to others' telephone conversations
- diencephalon — the posterior section of the forebrain.
- discographer — a person who compiles discographies.
- dodecahedral — Having twelve plane surfaces.
- dodecahedron — a solid figure having 12 faces.
- dodecaphonic — musical composition using the 12-tone technique.
- dog's chance — little likelihood; small chance (usually used in the negative): That project didn't have a dog's chance of succeeding.
- earth closet — a type of lavatory in which earth is used to cover excreta
- earth colour — any of various brown pigments composed chiefly of iron oxides
- east chicago — a port in NW Indiana, on Lake Michigan, near Chicago.
- echinodermal — (zoology) Relating or belonging to the echinoderms.
- echo chamber — a room or studio with resonant walls for broadcasting or recording echoes or hollow sound effects.
- echolocation — the general method of locating objects by determining the time for an echo to return and the direction from which it returns, as by radar or sonar.