12-letter words containing r, c, o, l
- block heater — an electrically operated immersion heater fitted either to enter the water hose or the water jacket surrounding the cylinder block of a motor to warm the coolant in cold weather.
- block letter — a plain capital letter
- bloodcurdler — something causing great fright or horror: a bloodcurdler of a mystery novel.
- blue succory — a composite garden plant, Catananche caerulea, of southern Europe, having very hairy leaves and blue flower heads, used by the ancients as a love potion.
- board school — (formerly) a school managed by a board elected by local ratepayers
- bonnyclabber — clotted or curdled milk
- borosilicate — a salt of boric and silicic acids
- borscht belt — (sometimes initial capital letters) the hotels of the predominantly Jewish resort area in the Catskill Mountains, many of them offering nightclub or cabaret entertainment.
- boucherville — a town in S Quebec, in E Canada, near Montreal, on the St. Lawrence.
- boulder clay — an unstratified glacial deposit consisting of fine clay, boulders, and pebbles
- bowel cancer — cancer of the colon
- box lacrosse — a form of lacrosse played indoors, usually on a hockey rink with a wooden floor, between two teams of six players.
- brass-collar — unwaveringly faithful to a political party; voting the straight ticket: a brass-collar Democrat.
- breechloader — any gun loaded at the breech
- breeze block — a cinder block.
- breeze-block — A breeze-block is a large, grey brick made from ashes and cement.
- bridge cloth — a tablecloth for a bridge table.
- brown hackle — an artificial fly having a peacock herl body, golden tag and tail, and brown hackle.
- bullock cart — a cart pulled by one or two bullocks
- butter cloth — a type of open, unsized muslin
- cabriole leg — a type of furniture leg, popular in the first half of the 18th century, in which an upper convex curve descends tapering to a concave curve
- cadaverously — In a cadaverous manner.
- calcareously — in a calcareous manner
- calibrations — Plural form of calibration.
- call to arms — a command to report for active military duty.
- caloreceptor — a receptor stimulated by heat.
- calorescence — the absorption of radiation by a body, subsequently re-emitted at a higher frequency (lower wavelength)
- calorie-free — containing no calories
- calorimeters — Plural form of calorimeter.
- calorimetric — the measurement of heat.
- calumniators — Plural form of calumniator.
- calumniatory — of, involving, or using calumny; slanderous; defamatory.
- cam follower — the slider or roller in contact with the cam that transmits the movement dictated by the cam profile
- camelopardus — a faint extensive constellation in the N hemisphere close to Ursa Major and Cassiopeia
- caméra stylo — the use of the camera as a means of personal expression, esp as practised by some directors of the New Wave
- camerapeople — a person who operates a camera, especially a movie or TV camera.
- camphor ball — mothball
- candleholder — a candlestick
- cantillatory — involving chanting or incantation
- cape colored — a South African of mixed European and African or Malayan ancestry.
- cape ortegal — a cape in NW Spain, projecting into the Bay of Biscay
- capitulatory — the act of capitulating.
- capriciously — subject to, led by, or indicative of a sudden, odd notion or unpredictable change; erratic: He's such a capricious boss I never know how he'll react.
- carbocholine — carbachol.
- carbon black — a black finely divided form of amorphous carbon produced by incomplete combustion of natural gas or petroleum: used to reinforce rubber and in the manufacture of pigments and ink
- carbon cycle — the circulation of carbon between living organisms and their surroundings. Carbon dioxide from the atmosphere is synthesized by plants into plant tissue, which is ingested and metabolized by animals and converted to carbon dioxide again during respiration and decay
- carbon steel — steel whose characteristics are determined by the amount of carbon it contains
- carbon value — an empirical measurement of the tendency of a lubricant to form carbon when in use
- carboxylated — Simple past tense and past participle of carboxylate.
- card catalog — a file of cards of uniform size arranged in some definite order and listing the items in the collection of a library or group of libraries, each card typically identifying a single item.