13-letter words containing a, i, r, o
- cape province — a former province of S South Africa; replaced in 1994 by the new provinces of Northern Cape, Western Cape, Eastern Cape and part of North-West. Capital: Cape Town
- cape-province — a cape in S Africa, in the SW Republic of South Africa.
- caprification — a method of pollinating the edible fig by hanging branches of caprifig flowers in edible fig trees. Parasitic wasps in the caprifig flowers transfer pollen to the edible fig flowers
- carbo-loading — Informal. carbohydrate loading.
- carbolic acid — Carbolic acid or carbolic is a liquid that is used as a disinfectant and antiseptic.
- carbolic soap — a disinfectant soap containing phenol
- carbolic-acid — Also called carbolic acid, hydroxybenzene, oxybenzene, phenylic acid. a white, crystalline, water-soluble, poisonous mass, C 6 H 5 OH, obtained from coal tar, or a hydroxyl derivative of benzene: used chiefly as a disinfectant, as an antiseptic, and in organic synthesis.
- carbon credit — Carbon credits are an allowance that certain companies have, permitting them to burn a certain amount of fossil fuels.
- carbon dating — Carbon dating is a system of calculating the age of a very old object by measuring the amount of radioactive carbon it contains.
- carbon ribbon — the ribbon in a typewriter which contains the ink which produces the letters on paper
- carbon tissue — a sheet of paper coated with pigmented gelatine, used in the carbon process
- carbon-tissue — paper faced with a preparation of carbon or other material, used between two sheets of plain paper in order to reproduce on the lower sheet that which is written or typed on the upper.
- carbonatation — saturation or reaction with carbon dioxide.
- carbonic acid — a weak acid formed when carbon dioxide combines with water: obtained only in aqueous solutions, never in the pure state. Formula: H2CO3
- carboniferous — yielding coal or carbon
- carbonisation — (chiefly, British) alternative spelling of carbonization.
- carbonium ion — type of positively charged organic ion
- carbonization — Carbonization is a process in which a fuel is heated without air to leave solid porous carbon.
- carbonylation — the introduction of a carbonyl group into a compound through chemical reaction
- carboxylation — a chemical reaction that introduces a carboxyl group into a molecule or compound, forming a carboxylic acid or a carboxylate
- carburization — Impregnation or reaction with carbon, especially in the manufacture of steel.
- carcinologist — a person who specializes in carcinology
- carcinomatous — a malignant and invasive epithelial tumor that spreads by metastasis and often recurs after excision; cancer.
- carcinophobia — Inordinate dread of contracting cancer.
- card clothing — a very sturdy fabric with a leather or rubber fillet imbedded with wire teeth for disentangling and cleaning textile fibers, used to cover the rollers or flats of a carding machine.
- cardiographic — (physiology) Of or pertaining to, or produced by, a cardiograph.
- cardiological — the study of the heart and its functions in health and disease.
- cardiologists — Plural form of cardiologist.
- cardiomegalia — abnormal enlargement of the heart.
- cardiopathies — Plural form of cardiopathy.
- cardioversion — restoring the rhythm of the heart to normal by applying direct-current electrical shock.
- carias andino — Tiburcio [tee-voor-syaw] /tiˈvur syɔ/ (Show IPA), 1876–1968, Honduran lawyer, soldier, and statesman: president 1933–49.
- caribou inuit — a member of any of the Inuit peoples who formerly inhabited the Barren Lands of N Canada
- carillonneurs — Plural form of carillonneur.
- cariogenicity — conducive to the production or promotion of dental caries: the cariogenic factors in sweets.
- carnification — the conversion of tissue into flesh or a fleshlike substance, as of lung tissue into fibrous tissue as a result of pneumonia.
- carnivorously — In a carnivorous manner.
- carnot engine — an engine using a Carnot cycle of operations.
- carol service — a service, held in a church around Christmas, at which Christmas carols are sung
- carolina lily — a bulbous lily, Lilium michauxii, of the southeastern U.S., having large, spotted, orange-red flowers with recurved petals.
- carolina rail — sora.
- carolina wren — a large wren, Thryothorus ludovicianus, of the U.S., having a musical call.
- carotid sinus — specialized nerve end organs producing a slight dilatation of the carotid artery where it branches into the external and internal carotid arteries, responding to changes in blood pressure by mediating changes in the heartbeat rate.
- carrantuohill — a mountain in SW Republic of Ireland, in Macgillicuddy's Reeks in Kerry: the highest peak in Ireland. Height: 1041 m (3414 ft)
- carriage bolt — a round-headed bolt for timber, threaded along part of its shank, inserted into holes already drilled.
- carrie nation — Carry or Carrie (Amelia Moore) 1846–1911, U.S. temperance leader.
- cartelization — The act of cartelizing.
- cartilaginous — of or like cartilage; gristly
- cartiliginous — Alternative form of cartilaginous.
- carton-pierre — papier-mâché decorated in imitation of wood, stone, or metal, and chiefly used for ornamental statuary or decorative motifs.