12-letter words containing a, c, d, i
- cheddar pink — a low, mat-forming European plant, Dianthus gratianopolitanus, of the pink family, having solitary, fragrant, rose-colored flowers with fringed petals.
- cheerleading — the action or skill of a cheerleader.
- chicken head — (graphics, abuse) The Commodore Business Machines logo, which strongly resembles a poultry part. Rendered in ASCII as "C=". With the arguable exception of the Amiga, Commodore's computers are notoriously crocky little bitty boxes (see also PETSCII). Thus, this usage may owe something to Philip K. Dick's novel "Do Androids Dream of Electric Sheep?" (the basis for the movie "Blade Runner"; the novel is now sold under that title), in which a "chickenhead" is a mutant with below-average intelligence.
- chickenheads — Plural form of chickenhead.
- child abuser — someone who abuses a child, esp someone convicted of this
- child labour — the full-time employment of children below a minimum age laid down by statute
- child's play — something that is easy to do
- childbearing — Childbearing is the process of giving birth to babies.
- childrearing — the raising and parenting of children: Childrearing extends beyond simple guardianship to nurturing and guidance.
- chiliahedron — a thousand-sided polyhedron
- chimneyboard — a partition or a cover to shut off a fireplace
- chinese date — an Old World tree, Ziziphus jujuba, thriving in hot, dry regions.
- chip and dip — a bowl or plate for holding potato chips or crackers with a smaller bowl, often placed in the center, for holding dip: usually sold as a set.
- chip and pin — Chip and PIN is a method of paying for goods you have bought by using both a bank card and a PIN number.
- chloralamide — (chemistry) A compound of chloral and formic amide, used to induce sleep.
- chloric acid — a strong acid with a pungent smell, known only in solution and in the form of chlorate salts. Formula: HClO3
- chondrostian — relating to the class Chondrostei of fish with fin rays
- 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.
- chromic acid — an unstable dibasic oxidizing acid known only in solution and in the form of chromate salts. Formula: H2CrO4
- cigar holder — a mouthpiece of wood, ivory, etc, used for holding a cigar while it is smoked
- cigar-shaped — resembling a cigar in shape
- ciliary body — the part of the vascular tunic of the eye that connects the choroid with the iris
- cinder patch — a defect on steel caused by the accidental picking up of matter, as from the bottom of a soaking pit.
- cinder track — a racetrack covered with fine cinders
- circularised — Simple past tense and past participle of circularise.
- circularized — Simple past tense and past participle of circularize.
- circumradius — the radius of the circle circumscribed around a triangle.
- city academy — (in England and Wales) a type of secondary school funded partly by the government and partly by private finance
- ciudad ojeda — a city in NW Venezuela, on Lake Maracaibo.
- civilianized — Simple past tense and past participle of civilianize.
- cladogenesis — adaptive evolution leading to a greater variety of species
- cladogenetic — relating to cladogenesis
- cladosporium — any of the species of fungi in the genus Cladosporium
- clairaudient — the power to hear sounds said to exist beyond the reach of ordinary experience or capacity, as the voices of the dead.
- clam diggers — casual pants that end slightly below the knee.
- clam-diggers — calf-length trousers
- clapboarding — Present participle of clapboard.
- classloading — (computing, Java) The dynamic loading of classes into a virtual machine, as performed by a classloader.
- claudication — limping; lameness
- clean-limbed — having well-proportioned limbs
- clearsighted — seeing clearly
- 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
- closegrained — having a fine, compact grain or texture
- closing date — The closing date for a competition or offer is the final date by which entries or applications must be received.
- co-ordinator — a person or thing that coordinates.
- coach driver — a person who drives a coach
- coachbuilder — (historical) A builder of horse-drawn coaches.
- coadaptation — the state of two or more things adapting to one another
- coccidiostat — a drug used to treat coccidiosis
- code-sharing — a commercial agreement between two airlines that allows passengers to use a ticket from one airline to travel on another