15-letter words containing c, a, m, o
- bathroom scales — scales typically kept in a bathroom for people to weigh themselves
- bay of campeche — the SW part of the Gulf of Mexico
- bear comparison — to be sufficiently similar in class or range to be compared with (something else), esp favourably
- bioaccumulation — the process in which industrial waste, toxic chemicals, etc. gradually accumulate in living tissue
- biomathematical — relating to biomathematics
- biomechanically — from a biomechanical point of view
- bituminous coal — a soft black coal, rich in volatile hydrocarbons, that burns with a smoky yellow flame. Fixed carbon content: 46–86 per cent; calorific value: 1.93 × 107 – 3.63 × 107 J/kg
- black guillemot — a common guillemot, Cepphus grylle: its summer plumage is black with white wing patches and its winter plumage white with greyish wings
- black mountains — a mountain range running from N Monmouthshire and SE Powys (Wales) to SW Herefordshire (England). Highest peak: Waun Fach, 811 m (2660 ft)
- bladder campion — a European caryophyllaceous plant, Silene vulgaris, having white flowers with an inflated calyx
- blueback salmon — sockeye salmon.
- boston massacre — an outbreak (1770) in Boston against British troops, in which a few citizens were killed
- bowel complaint — bowel disease or condition
- box the compass — to name the compass points in order
- brachystomatous — having a short proboscis, as certain insects.
- broadcast storm — (networking) A broadcast on a network that causes multiple hosts to respond by broadcasting themselves, causing the storm to grow exponentially in severity. See network meltdown.
- cacodaemoniacal — Demonic; evil.
- cadmean victory — a victory won with great losses to the victors
- caffe macchiato — a hot beverage consisting of espresso and a small amount of foamed milk.
- cairngorm-stone — smoky quartz.
- calamine lotion — a soothing lotion containing calamine
- calcium blocker — any of a group of drugs that prevent the influx of calcium into excitable tissues such as smooth muscle of the heart or arterioles, used in the treatment of angina, hypertension, and certain arrhythmias.
- calcium oxalate — a white, crystalline powder, CaC 2 O 4 , insoluble in water, used in making oxalic acid.
- california mink — cacomistle.
- call for margin — a demand made by a stockbroker for partial payment of a client's debt due to decreasing value of the collateral
- camelot library — (library)
- camera operator — a person who operates a film or television camera
- camp counsellor — an adult supervisor assigned to a group of campers at a summer camp
- campaign button — a disk-shaped pin worn by a supporter of a political candidate, usually bearing the name of the candidate and often a slogan or the candidate's picture.
- campaign ribbon — a distinctively colored ribbon, either on a small, narrow bar or in the form of a strip, representing a military campaign participated in by the wearer.
- campaign worker — a person who carries out duties for a political candidate or party, esp before an election
- camphorated oil — a liniment consisting of camphor and peanut oil, used as a counterirritant
- canada moonseed — a vine, Menispermum canadense, of eastern North America, having variable leaves and black, grapelike fruit.
- capitulationism — advocacy or approval of capitulation.
- carbon monoxide — Carbon monoxide is a poisonous gas that is produced especially by the engines of vehicles.
- carcinosarcomas — Plural form of carcinosarcoma.
- 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
- cardiopulmonary — of, relating to, or affecting the heart and lungs
- carpometacarpal — Anatomy. of or relating to the carpus and the metacarpus.
- carpometacarpus — a bone in the wing of a bird that consists of the metacarpal bones and some of the carpal bones fused together
- casement-window — a window sash opening on hinges that are generally attached to the upright side of its frame.
- cassette memory — a removable magnetic tape cartridge that stores data and programs.
- castanospermine — a substance obtained from the Australian chestnut or black bean tree
- casters-up mode — [IBM, probably from slang belly up] Yet another synonym for "broken" or "down". Usually connotes a major failure. A system (hardware or software) which is "down" may be already being restarted before the failure is noticed, whereas one which is "casters up" is usually a good excuse to take the rest of the day off (as long as you're not responsible for fixing it).
- castrametations — Plural form of castrametation.
- cat-o'-mountain — catamountain
- catchment board — a public body concerned with the conservation and organization of water supply from a catchment area
- cephalohematoma — A hemorrhage of blood between the skull and periosteum of a newborn baby secondary to rupture of blood vessels crossing the periosteum.
- ceylon cinnamon — the aromatic inner bark of any of several East Indian trees belonging to the genus Cinnamonum, of the laurel family, especially the bark of C. zeylanicum (Ceylon cinnamon) used as a spice, or that of C. loureirii (Saigon cinnamon) used in medicine as a cordial and carminative.
- chamber concert — a concert of chamber music