13-letter words containing a, t, c, o
- counterdemand — a demand made in response to another demand
- countermanded — Simple past tense and past participle of countermand.
- counterplayer — a person who makes a counterplay
- counterscarps — Plural form of counterscarp.
- countershafts — Plural form of countershaft.
- counterstains — Plural form of counterstain.
- counterstream — a stream (of matter) which travels in the opposite direction
- countertactic — an opposing tactic
- counterthreat — an opposing or retaliatory threat
- countervailed — Simple past tense and past participle of countervail.
- country dance — a type of folk dance in which couples are arranged in sets and perform a series of movements, esp facing one another in a line
- country-dance — a dance of rural English origin in which the dancers form circles or squares or in which they face each other in two rows.
- county family — an old family that has lived in a particular county for several generations
- court hearing — an official meeting held in court
- court martial — A court martial is a trial in a military court of a member of the armed forces who is charged with breaking a military law.
- court packing — an unsuccessful attempt by President Franklin D. Roosevelt in 1937 to appoint up to six additional justices to the Supreme Court, which had invalidated a number of his New Deal laws.
- court plaster — a plaster, composed of isinglass on silk, formerly used to cover superficial wounds
- court-martial — a court consisting of military or naval personnel appointed by a commander to try charges of offenses by soldiers, sailors, etc., against military or naval law.
- courtesy call — a formal visit
- courtesy card — a privilege card
- covalent bond — a type of chemical bond involving the sharing of electrons between atoms in a molecule, esp the sharing of a pair of electrons by two adjacent atoms
- covent garden — a district of central London: famous for its former fruit, vegetable, and flower market, now a shopping precinct
- covert action — a secret action undertaken to influence the course of political events, as a government intelligence operation.
- craftspersons — Plural form of craftsperson.
- cranioscopist — a practitioner of cranioscopy
- crenellations — the battlements on a building
- creole tomato — cherry tomato.
- crestone peak — a peak in S central Colorado, in the Sangre de Cristo Mountains. 14,294 feet (4360 meters).
- crop rotation — the system of growing a sequence of different crops on the same ground so as to maintain or increase its fertility
- cross the bar — to die
- cross-trainer — a type of athletic shoe designed to be used in more than one type of activity.
- crosscultural — Alternative spelling of cross-cultural.
- crossectional — Of, pertaining to, or being a cross section.
- crosshatching — to mark or shade with two or more intersecting series of parallel lines.
- crotonic acid — type of colourless acid
- crow-pheasant — a large coucal, Centropus sinensis, of Asia, having black and brown plumage and a long tail.
- crustaceology — The branch of zoology dealing with crustaceans.
- cryotherapies — Plural form of cryotherapy.
- cryptoanalyst — Alternative form of cryptanalyst.
- cryptoclastic — (of minerals and rocks) composed of microscopic fragments
- cryptoclimate — the climate of a small area, as of confined spaces such as caves or houses (cryptoclimate) of plant communities, wooded areas, etc. (phytoclimate) or of urban communities, which may be different from that in the general region.
- cryptographer — the science or study of the techniques of secret writing, especially code and cipher systems, methods, and the like. Compare cryptanalysis (def 2).
- cryptographic — Relating to cryptography.
- cryptological — cryptography.
- cryptoxanthin — a carotenoid pigment, C40H56O, in butter, eggs, and various plants, that can be converted into vitamin A in the body
- crystalloidal — Relating to a crystalloid.
- cuprotitanium — (metallurgy) An alloy of copper and titanium obtained by reducing a mixture of copper and rutile.
- currant borer — the larva of a clearwing moth, Ramosia tipuliformis, that bores into the stems of currants.
- current ratio — A current ratio is a measure of liquidity that is calculated by dividing current assets by current liabilities.
- cushion plant — a type of low-growing plant having many closely spaced short upright shoots, typical of alpine and arctic habitats