13-letter words containing n, o, i, r
- broken-winded — suffering from heaves
- bromocriptine — a dopamine agonist drug which blocks the release of prolactin from the pituitary gland, used in the treatment of Parkinson's disease
- bronchiolitis — a condition in which the small airways in the lungs become inflamed by a virus. It is most common in infants, who become breathless in severe cases. Recurrent attacks may lead to asthma
- brotherliness — of, like, or befitting a brother; affectionate and loyal; fraternal: brotherly love.
- brown bagging — to bring (one's own liquor) to a restaurant or club, especially one that has no liquor license.
- brown hickory — a North American hickory tree, Carya glabra
- brown-bagging — the practice of eating one's lunch or drinking a bottle of alcohol from a brown bag
- brownie guide — a member of the Brownie Guides, one of the junior branches (aged 7–10 years) in The Guide Association
- brownie point — If someone does something to score brownie points, they do it because they think they will be praised for it.
- brutalization — to make brutal.
- bud variation — any variation in a bud due to changes in either its genetic composition or environment or both such that the resulting flower, fruit, or shoot differs from others of the same plant or species.
- buprenorphine — an opiate used medicinally as a powerful analgesic
- burial ground — A burial ground is a place where bodies are buried, especially an ancient place.
- burrowing owl — a ground owl (Athene cunicularia) of the prairie regions of North and South America having long legs and a small head: it makes its nest in abandoned burrows
- busheled iron — heterogeneous iron made from scrap iron and steel.
- by contraries — contrary to what is expected
- by reputation — If you know someone by reputation, you have never met them but you have heard of their reputation.
- c corporation — A C corporation is a type of corporation which is taxed on its income.
- calorifacient — (of foods) producing heat.
- campaniliform — Alternative form of campaniform.
- cancerophobia — a morbid dread of being afflicted by cancer
- canton ginger — preserved or crystallized ginger of fine quality.
- 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.
- 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.
- 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.