15-letter words containing m, e, s, t, o
- bohemian forest — a mountain range between the SW Czech Republic and SE Germany. Highest peak: Arber, 1457 m (4780 ft)
- boom-bust cycle — A boom-bust cycle is a series of events in which a rapid increase in business activity in the economy is followed by a rapid decrease in business activity, and this process is repeated again and again.
- boston marriage — (especially in 19th-century New England) an intimate friendship between two women often maintaining a household together.
- boston massacre — an outbreak (1770) in Boston against British troops, in which a few citizens were killed
- box the compass — to name the compass points in order
- british telecom — the popular name for British Telecommunications Group plc, the dominant fixed line telecommunications and broadband internet provider in the United Kingdom
- brother-in-arms — a fellow soldier or comrade in a shared struggle
- bum someone out — to upset, distress, annoy, depress, bore, etc. someone
- butcher's-broom — a liliaceous evergreen shrub, Ruscus aculeatus, that has stiff prickle-tipped flattened green stems, which resemble and function as true leaves. The plant was formerly used for making brooms
- cairngorm-stone — smoky quartz.
- 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.
- centrosymmetric — having symmetry with a central point
- chamois leather — soft cleaning cloth
- chemoautotrophs — Plural form of chemoautotroph.
- chemopsychiatry — the study and application of chemical substances in psychiatry
- chemosterilants — Plural form of chemosterilant.
- chemotaxonomist — a specialist in the field of chemotaxonomy
- cholecystectomy — surgical removal of the gall bladder
- cholecystostomy — a medical cut or opening into the gall bladder to enable a drainage tube to be put in place
- choledochostomy — formation of a temporary opening through the abdominal wall into the common bile duct, usually to remove stones.
- cholesterolemia — the presence of an abnormal amount of cholesterol in the blood.
- chromatic scale — a twelve-note scale including all the semitones of the octave
- cigarette smoke — the acrid smoke produced by cigarettes being smoked
- cleistogamously — in a cleistogamous manner
- collenchymatous — Relating to collenchyma.
- combat fatigues — the uniform worn by soldiers when fighting
- combat neurosis — battle fatigue.
- combat trousers — Combat trousers are large, loose trousers with lots of pockets.
- combustibleness — The state or quality of being combustible.
- combustion tube — a tube of heat-resistant glass, silica, or ceramic, in which a substance can be reduced, as in a combustion furnace
- come to oneself — to recover one's senses
- come up against — If you come up against a problem or difficulty, you are faced with it and have to deal with it.
- comfortableness — (of clothing, furniture, etc.) producing or affording physical comfort, support, or ease: a comfortable chair; comfortable shoes.
- commiseratingly — in a manner expressing commiseration
- committee stage — (in British parliamentary procedure) the detailed examination by MPs of proposed legislation
- committeeperson — a member of a committee.
- common disaster — the death of an insured party and a beneficiary occurring at the same time in the same accident.
- community chest — a fund raised by voluntary contribution for local welfare activities
- comparativeness — of or relating to comparison.
- comparison test — a comparison of particular qualities or traits in two or more things in order to get a measurable assessment
- compassionately — having or showing compassion: a compassionate person; a compassionate letter.
- compatibilities — capable of existing or living together in harmony: the most compatible married couple I know.
- competitiveness — of, pertaining to, involving, or decided by competition: competitive sports; a competitive examination.
- complementaries — forming a complement; completing.
- complementizers — Plural form of complementizer.