12-letter words containing t, r, o
- chronometers — Plural form of chronometer.
- chronometric — of a chronometer or chronometry
- chronosystem — A pattern of events and transitions over the course of a person's life.
- chronotropic — affecting the rate or timing of a physiologic process, as the heart rate.
- chrysophytes — Plural form of chrysophyte.
- chukot range — mountain range in NE Siberia: highest peak, c. 7,500 ft (2,286 m)
- chymotrypsin — a powerful proteolytic enzyme secreted from the pancreas in the form of chymotrypsinogen, being converted to the active form by trypsin
- chymotryptic — relating to chymotrypsin
- cinque ports — an association of ports on the SE coast of England, originally consisting of Hastings, Romney, Hythe, Dover, and Sandwich, which from late Anglo-Saxon times provided ships for the king's service in return for the profits of justice in their courts. The Cinque Ports declined with the growth of other ports and surrendered their charters in 1685
- circuitously — roundabout; not direct: a circuitous route; a circuitous argument.
- circulations — Plural form of circulation.
- circumlocute — to speak in a circuitous way
- circumrotary — Alternative form of circumrotatory.
- circumrotate — to turn like a wheel; rotate
- circumventor — to go around or bypass: to circumvent the lake; to circumvent the real issues.
- circumvolute — To roll, curl or twist around.
- cirrostratus — a uniform layer of cloud above about 6000 metres (20 000 feet)
- citron melon — a kind of fruit with a hard white flesh, that grows on a variety of watermelon plant (Citrullus lanatus var. citroides): used only candied or preserved
- claims ratio — The claims ratio is the percentage of claims costs incurred in relation to the premiums earned.
- clairvoyants — Plural form of clairvoyant.
- clara barton — Clara, 1821–1912, U.S. philanthropist who organized the American Red Cross in 1881.
- claustration — the act of confining to a small space (usually a cloister)
- clayton fern — a tall fern, Osmunda claytoniana, of eastern North America and eastern Asia, having an interruption of growth in the center of some fronds.
- clerestories — Plural form of clerestory.
- clerofascist — A cleric supporting fascism or advocating a synthesis of religion and fascism.
- clickthrough — the act of clicking on an advertisement or other link to go to another website, especially a retail site: The store gets lots of clickthroughs from social media.
- clitorectomy — (surgery) the surgical procedure to remove all or part of the clitoris; female circumcision.
- cloisterless — a covered walk, especially in a religious institution, having an open arcade or colonnade usually opening onto a courtyard.
- clos network — (networking) A type of network topology that can connect N inputs to N outputs with less that N^2 crosspoint switches.
- closet drama — drama suitable for reading rather than performing
- clothes prop — a long wooden pole with a forked end, used to raise a line of washing to enable it to catch the breeze
- clothes rack — a framework for holding or displaying clothes in a shop
- clothes tree — an upright pole with branching hooks or pegs near the top to hold coats and hats
- clothesbrush — A brush for the clothes.
- clotheshorse — a frame on which to hang laundry for drying or airing
- clothespress — a closet, wardrobe, or chest in which to keep clothes
- clotrimazole — An antifungal medication used to treat humans and animals.
- cloture rule — a rule adopted by the United States Senate in 1917 that enables the breaking of a filibuster
- cloud forest — a forest, usually near coastal mountain peaks in tropical regions, that has an almost constant cloud cover, even during the dry season
- cluster bomb — A cluster bomb is a type of bomb which is dropped from an aircraft. It contains a large number of smaller bombs that spread out before they hit the ground.
- co-extrusion — simultaneous extrusion of two or more different yet compatible metals or plastics through the same die.
- co-operative — A co-operative is a business or organization run by the people who work for it, or owned by the people who use it. These people share its benefits and profits.
- co-ordinator — a person or thing that coordinates.
- co-parenting — a divorced or separated parent who shares equally with the other parent in the custody and care of a child.
- co-president — a person who shares the highest position in an organization with another person
- co-recipient — one of two or more recipients, as of an award.
- coacervation — a reversible, emulsoid stage existing between the sol and gel formations, in which the addition of a third substance causes the separation of the sol into two immiscible liquid phases: an essential stage in the formation of proteins, antibodies, etc.
- coast ranges — series of mountain ranges along the W coast of North America, extending from Alas. to Baja California: highest peak, Mt. Logan
- coat of arms — The coat of arms of a family, town, or organization is a special design in the form of a shield that they use as a symbol of their identity.
- coat protein — any protein that is a constituent of the capsid of a virus.