15-letter words containing a, d, r, i
- calcined baryta — baryta (def 1).
- calcined-baryta — Also called calcined baryta, barium oxide, barium monoxide, barium protoxide. a white or yellowish-white poisonous solid, BaO, highly reactive with water: used chiefly as a dehydrating agent and in the manufacture of glass.
- calcium carbide — a grey salt of calcium used in the production of acetylene (by its reaction with water) and calcium cyanamide. Formula: CaC2
- calculated risk — a chance of failure, the probability of which is estimated before some action is undertaken.
- calendarization — the process of calendarizing
- calf diphtheria — a disease of the throat in young calves caused by Fusobacterium necrophorum, resulting in breathing difficulty and a painful cough
- call forwarding — a telephone service that allows incoming calls to be transferred automatically to another number or extension
- calydonian boar — a savage boar sent by Artemis to destroy Calydon, a city in Aetolia, because its king had neglected to sacrifice to her. It was killed by Meleager, the king's son
- camphorated oil — a liniment consisting of camphor and peanut oil, used as a counterirritant
- canadian forces — the official name for the military forces of Canada
- canadian french — the French language as spoken in Canada, esp in Quebec
- carbazotic acid — picric acid.
- carbon monoxide — Carbon monoxide is a poisonous gas that is produced especially by the engines of vehicles.
- carboxylic acid — any of a class of organic acids containing the carboxyl group
- cardiac massage — a rhythmic compressing of the heart, using the hands to force blood through the blood vessels: an emergency medical procedure for treating heart failure
- cardinal beetle — any of various large N temperate beetles of the family Pyrochroidae, such as Pyrochroa serraticornis, typically scarlet or partly scarlet in colour
- cardinal flower — a campanulaceous plant, Lobelia cardinalis of E North America, that has brilliant scarlet, pink, or white flowers
- cardinal humour — any of the four bodily fluids (blood, phlegm, choler or yellow bile, melancholy or black bile) formerly thought to determine emotional and physical disposition
- cardinal number — A cardinal number is a number such as 1, 3, or 10 that tells you how many things there are in a group but not what order they are in. Compare ordinal number.
- cardinal points — the four main points of the compass: north, south, east, and west
- cardinal spider — a large house spider, Tegenaria parietina
- cardinal system — a system of coding navigational aids by shape, color, and number, according to their positions relative to navigational hazards.
- cardinal virtue — anything considered to be an important or characteristic virtue: Tenacity is his cardinal virtue.
- cardinal vowels — a set of theoretical vowel sounds, based on the shape of the mouth needed to articulate them, that can be used to classify the vowel sounds of any speaker in any language
- carding machine — card2 (defs 1, 2).
- cardiopulmonary — of, relating to, or affecting the heart and lungs
- careers adviser — a person trained in giving vocational advice, esp in secondary, further, or higher education
- cartesian diver — a glass vessel partially filled with water and covered with an airtight membrane, containing a hollow object that is open at the bottom and contains just enough air to allow it to float. Pressing on the membrane compresses the air in the vessel and forces water into the object, causing it to sink; releasing the membrane causes it to rise.
- cartesian doubt — willful suspension of all interpretations of experience that are not absolutely certain: used as a method of deriving, by elimination of such uncertainties, axioms upon which to base theories.
- cartridge brass — brass composed of about 70 percent copper and 30 percent zinc.
- cartridge paper — an uncoated type of drawing or printing paper, usually made from bleached sulphate wood pulp with an addition of esparto grass
- cathedral choir — the choir, traditionally consisting of boys and men, that sings in cathedral services
- cattle breeding — the science or business of breeding and raising cattle
- centipede grass — a slow-growing grass, Eremochloa ophiuroides, introduced into the U.S. from China and used for lawns in warm areas.
- central sudanic — a group of languages belonging to the Nilo-Saharan family, spoken in the northeastern Democratic Republic of the Congo, northern Uganda, southern Sudan, Chad, and the Central African Republic, and including Mangbetu.
- chandler period — the period of the oscillation (Chandler wobble) of the earth's axis, varying between 416 and 433 days.
- charles dickens — Charles (John Huf·fam) [huhf-uh m] /ˈhʌf əm/ (Show IPA), ("Boz") 1812–70, English novelist.
- chesterfieldian — of or like Lord Chesterfield; suave; elegant; polished
- cheval de frise — a portable obstacle, usually a sawhorse, covered with projecting spikes or barbed wire, for military use in closing a passage, breaking in a defensive wall, etc.
- cheval-de-frise — a portable barrier of spikes, sword blades, etc, used to obstruct the passage of cavalry
- chicken-hearted — easily frightened; cowardly
- child battering — child abuse in the form of battering
- child restraint — a device used to protect a child in a motor vehicle
- child-battering — the physical abuse of a child by a parent or guardian, as by beating.
- child-resistant — that resists being opened, tampered with, or damaged by a child; childproof: a child-resistant medicine cabinet.
- chinese mustard — brown mustard.
- chorda tendinea — any of the tendons extending from the papillary muscles to the atrioventricular valves and preventing the valves from moving into the atria during ventricular contraction.
- christadelphian — a member of a Christian millenarian sect founded in the US about 1848, holding that only the just will enter eternal life, that the wicked will be annihilated, and that the ignorant, the unconverted, and infants will not be raised from the dead
- chromium-plated — having been plated with chromium
- chronic disease — long-term illness