12-letter words containing a, d, r, o
- changearound — the act of changing to a different position
- checkerboard — A checkerboard is a square board with 64 black and white squares that is used for playing checkers or chess.
- cheese board — A cheese board is a board from which cheese is served at a meal.
- cheeseboards — Plural form of cheeseboard.
- chequerboard — Alternative spelling of checkerboard.
- child labour — the full-time employment of children below a minimum age laid down by statute
- chiliahedron — a thousand-sided polyhedron
- chimneyboard — a partition or a cover to shut off a fireplace
- 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
- chondroblast — a type of cell that develops into a chondrocyte or cartilage cell
- chondrostian — relating to the class Chondrostei of fish with fin rays
- chord change — a movement from one chord to another
- 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.
- chorus pedal — an electronic device that creates the effect of more than one sound from a single source by combining a short delay with slight deviations in pitch
- chowderheads — Plural form of chowderhead.
- 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
- ciliary body — the part of the vascular tunic of the eye that connects the choroid with the iris
- cladocarpous — pleurocarpous.
- cladosporium — any of the species of fungi in the genus Cladosporium
- clam chowder — chowder containing clams
- clapboarding — Present participle of clapboard.
- clapperboard — A clapperboard consists of two pieces of wood that are connected by a hinge and hit together before each scene when making a film, to make it easier to match the sound and pictures of different scenes.
- closegrained — having a fine, compact grain or texture
- closet drama — drama suitable for reading rather than performing
- cloud banner — banner cloud.
- co-ordinator — a person or thing that coordinates.
- coach driver — a person who drives a coach
- coachbuilder — (historical) A builder of horse-drawn coaches.
- coated paper — a paper whose surface has been treated to take halftone impressions or color printing
- code-sharing — a commercial agreement between two airlines that allows passengers to use a ticket from one airline to travel on another
- cold storage — If something such as food is put in cold storage, it is kept in an artificially-cooled place in order to preserve it.
- cold warrior — a person who engages in or promotes a cold war
- cold-hearted — A cold-hearted person does not feel any affection or sympathy towards other people.
- collaborated — to work, one with another; cooperate, as on a literary work: They collaborated on a novel.
- colour guard — a military guard in a parade, ceremony, etc, that carries and escorts the flag or regimental colours
- columnarized — columnar (def 3).
- combat-ready — ready for combat
- comber board — (in weaving) a wooden frame pierced with a series of small holes through which the harness cords are threaded, used to regulate the cords and determine the texture and width of a repeat in a fabric.
- come forward — If someone comes forward, they offer to do something or to give some information in response to a request for help.
- comes around — to approach or move toward a particular person or place: Come here. Don't come any closer!
- commandeered — Simple past tense and past participle of commandeer.
- commanderies — the office or rank of a commander.
- commemorated — Simple past tense and past participle of commemorate.
- commendatory — serving to commend; expressing praise or approval
- commiserated — Simple past tense and past participle of commiserate.
- compass card — a compass in the form of a card that rotates so that "0°" or "North" points to magnetic north
- concamerated — Simple past tense and past participle of concamerate.
- concentrated — A concentrated liquid has been increased in strength by having water removed from it.