12-letter words containing i, o, a
- chill factor — windchill factor
- chilpancingo — a town in S Mexico, capital of Guerrero state, in the Sierra Madre del Sur. Pop: 166 000 (2005 est)
- chimneyboard — a partition or a cover to shut off a fireplace
- china closet — a cabinet or cupboard for storing or exhibiting chinaware.
- chincoteague — a town on a small island in a lagoon (Chincoteague Bay) in E Virginia: annual wild pony roundup.
- chinhuangtao — a seaport in NE Hebei province, in NE China, on the Bohai.
- chirographer — Alternative form of chirographist.
- chirographic — Of or relating to chirography.
- chiropractic — Chiropractic is the treatment of injuries by pressing and moving people's joints, especially the spine.
- chiropractor — A chiropractor is a person who treats injuries by chiropractic.
- chiropterans — Plural form of chiropteran.
- chivalrously — having the qualities of chivalry, as courage, courtesy, and loyalty.
- chloralamide — (chemistry) A compound of chloral and formic amide, used to induce sleep.
- chlorambucil — an alkylating drug derived from nitrogen mustard, administered orally in the treatment of leukaemia and other malignant diseases. Formula: C14H19Cl2NO2
- chlorapatite — (mineral) A variety of apatite containing chloride instead of fluoride.
- chloric acid — a strong acid with a pungent smell, known only in solution and in the form of chlorate salts. Formula: HClO3
- chlorinating — Present participle of chlorinate.
- chlorination — Chemistry. to combine or treat with chlorine. to introduce chlorine atoms into an organic compound by an addition or substitution reaction.
- chloroacetic — an acid made by chlorinating acetic acid
- chocolatiers — Plural form of chocolatier.
- choirmasters — Plural form of choirmaster.
- cholerically — In a choleric manner.
- chondrostian — relating to the class Chondrostei of fish with fin rays
- chorographic — Relating to chorography.
- choroid coat — a pigmented, highly vascular membrane of the eye that is continuous with the iris and lies between the sclera and the retina, functioning to nourish the retina and absorb scattered light.
- chorological — relating to the place where something can be found
- christophany — an appearance or emergence of Christ following his crucifixion
- chromaticism — the use of chromatic tones.
- chromaticity — the quality of a colour or light with reference to its purity and its dominant wavelength
- chromatophil — Also, chromatophilic, chromatophilous [kroh-muh-tof-uh-luh s] /ˌkroʊ məˈtɒf ə ləs/ (Show IPA). chromophil (def 1).
- chromatopsia — an irregularity in the ability to see colours properly
- chromic acid — an unstable dibasic oxidizing acid known only in solution and in the form of chromate salts. Formula: H2CrO4
- chromophilia — the property of staining readily.
- chromophobia — Lb biology The quality of being resistant to staining.
- chronophobia — Fear of the passing of time, or more generally of time itself.
- cichoraceous — relating to plants of the sub-order Cichoraceae
- cigar flower — the common name for a small, shrubby plant, Cuphea ignea, of the loosestrife family, native to Mexico and Jamaica, grown as an ornamental and houseplant: named for its red tubular flowers that resemble cigars.
- cigar holder — a mouthpiece of wood, ivory, etc, used for holding a cigar while it is smoked
- ciliary body — the part of the vascular tunic of the eye that connects the choroid with the iris
- cinema-going — regularly attending the cinema
- cinnamon bun — a honey bun flavored with cinnamon and often containing raisins.
- circulations — Plural form of circulation.
- circumboreal — of or having to do with plants and animals inhabiting boreal regions of North America and Eurasia
- circumocular — surrounding the eye.
- circumrotary — Alternative form of circumrotatory.
- circumrotate — to turn like a wheel; rotate
- cirrostratus — a uniform layer of cloud above about 6000 metres (20 000 feet)
- city company — (in Britain) a corporation that represents one of the historic trade guilds of London
- ciudad ojeda — a city in NW Venezuela, on Lake Maracaibo.
- civilisation — Alternative spelling of civilization.