13-letter words containing o, s, t, r
- butcher's boy — a boy doing deliveries for a butcher and perhaps also learning the butchery trade, esp in the past
- buttress root — a tree root that extends above ground as a platelike outgrowth of the trunk supporting the tree. Buttress roots are mainly found in trees of tropical rain forests
- by contraries — contrary to what is expected
- cache storage — cache (def 3).
- car boot sale — A car boot sale is a sale where people sell things they own and do not want from a little stall or from the back of their car.
- carbohydrates — foods which contain carbohydrate
- carbon offset — a compensatory measure made by an individual or company for carbon emissions, usually through sponsoring activities or projects which increase carbon dioxide absorption, such as tree planting
- 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.
- carbonisation — (chiefly, British) alternative spelling of carbonization.
- carcinologist — a person who specializes in carcinology
- carcinomatous — a malignant and invasive epithelial tumor that spreads by metastasis and often recurs after excision; cancer.
- cardiologists — Plural form of cardiologist.
- cardiopathies — Plural form of cardiopathy.
- 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.
- cartilaginous — of or like cartilage; gristly
- cartiliginous — Alternative form of cartilaginous.
- cartographers — Plural form of cartographer.
- cartoon strip — A cartoon strip is a series of drawings that tells a story.
- casement door — a door having glass panes throughout or nearly throughout its length.
- cash customer — a purchaser who pays cash rather than by check, credit card, or charge account.
- caster action — the tendency, caused by the design of the mounting, of a wheel to turn into its plane of rotation
- castle howard — a mansion near York in Yorkshire: designed in 1700 by Sir John Vanbrugh and Nicholas Hawksmoor; the grounds include the Temple of the Four Winds and a mausoleum
- castro valley — a town in W California, near San Francisco Bay.
- catalog verse — verse made by compiling long lists of everyday objects, names, or events, united by a common theme and often didactic in tone.
- catastrophise — Alt form catastrophize.
- catastrophism — an old doctrine, now discarded, that the earth was created and has subsequently been shaped by sudden divine acts which have no logical connection with each other rather than by gradual evolutionary processes
- catastrophist — the doctrine that certain vast geological changes in the earth's history were caused by catastrophes rather than gradual evolutionary processes.
- catastrophize — (obsolete) To end a comedy.
- catcher's box — box1 (def 16d).
- categorisable — Alternative spelling of categorizable.
- cauterisation — Alt form cauterization.
- centrosomally — In a centrosomal way.
- centuries-old — hundreds of years old
- ceremonialist — of, relating to, or characterized by ceremony; formal; ritual: a ceremonial occasion.
- chaetophorous — bearing bristles; setigerous.
- chalicotheres — Plural form of chalicothere.
- chapter house — A chapter house is the building or set of rooms in the grounds of a cathedral where the members of the clergy hold their meetings.
- charles abbot — Charles Greeley, 1872–1973, U.S. astrophysicist.
- chase mortise — a mortise having one inclined narrow side.
- cheiromantist — A chiromancer.
- chemisorption — an adsorption process in which an adsorbate is held on the surface of an adsorbent by chemical bonds
- chiaroscurist — A painter who uses light and shade rather than colour to create the illusion of volume.
- child support — If a parent pays child support, they legally have to pay money to help provide things such as food and clothing for a child with whom they no longer live.
- chirographist — a person who studies or who is knowledgeable about handwriting styles
- chiropractics — The practice of a chiropractor.
- chiropractors — Plural form of chiropractor.
- chloroformist — a person who is skilled in the use of or who dispenses or provides chloroform as part of their job
- chloroplastal — of or like a chloroplast
- chloroplastic — a plastid containing chlorophyll.