15-letter words containing a, t, r, m, s
- arrest judgment — to stay proceedings after a verdict, on the grounds of error or possible error
- arrondissements — Plural form of arrondissement.
- astrodynamicist — a person who studies astrodynamics
- astrophotometry — the measurement of the intensity of light of celestial objects.
- asymmetric bars — a pair of wooden or fibreglass bars placed parallel to each other but set at different heights, for various exercises
- asymmetric time — musical time consisting of an odd number of beats in each bar divided into uneven combinations, such as 3 + 2, 4 + 3, 2 + 3 + 2, etc
- at arm's length — If you hold something at arm's length, you hold it away from your body with your arm straight.
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- augusta emerita — a market town in W Spain, in Extremadura, on the Guadiana River: founded in 25 bc; became the capital of Lusitania and one of the chief cities of Iberia. Pop: 52 110 (2003 est)
- australian mist — a breed of medium-sized cat with a short spotted or marbled coat
- autotransformer — a transformer in which part of the winding is common to both primary and secondary circuits
- ballet mistress — a woman who teaches and rehearses the dancers in a ballet company
- bangtail muster — a roundup of cattle to be counted, each one having the hairs on its tail docked as it is counted
- baptism of fire — If someone who has just begun a new job has a baptism of fire, they immediately have to cope with very many severe difficulties and obstacles.
- barium stearate — a white, crystalline, water-insoluble solid, Ba(C 18 H 35 O 2) 2 , used chiefly as a waterproofing agent and as a lubricant.
- barium sulphate — a white insoluble fine dense powder, used as a pigment, as a filler for paper, rubber, etc, and in barium meals. Formula: BaSO4
- barry mountains — a mountain range in SE Australia, in E Victoria: part of the Australian Alps
- bathroom scales — scales typically kept in a bathroom for people to weigh themselves
- before the mast — as an apprentice seaman
- beside the mark — not striking the point aimed at
- black september — a Palestinian Terrorist group, responsible for the assassinations of Israeli athletes at the Olympic Games at Munich in 1972
- bohemian forest — a mountain range between the SW Czech Republic and SE Germany. Highest peak: Arber, 1457 m (4780 ft)
- 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
- brachystomatous — having a short proboscis, as certain insects.
- break statement — (programming) A statement in the C programming language that transfers control out of the innermost enclosing switch, while, do, or for statement. The statement also exists in languages derived from C, such as C++ and Java.
- british america — British North America.
- 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.
- brother-in-arms — a fellow soldier or comrade in a shared struggle
- cactus geranium — a plant, Pelargonium echinatum, of the geranium family, native to southern Africa, having prickly stipules and white or reddish flowers.
- cairngorm-stone — smoky quartz.
- camelback truss — a roof truss having upper and lower chords curving upward from a common point at each side.
- cardinal system — a system of coding navigational aids by shape, color, and number, according to their positions relative to navigational hazards.
- carmarthenshire — a county of S Wales, formerly part of Dyfed (1974–96): on Carmarthen Bay, with the Cambrian Mountains in the N: generally agricultural (esp dairying). Administrative centre: Carmarthen. Pop: 176 000 (2003 est). Area: 2398 sq km (926 sq miles)
- carpometacarpus — a bone in the wing of a bird that consists of the metacarpal bones and some of the carpal bones fused together
- 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.
- chamois leather — soft cleaning cloth
- charismatically — In a charismatic way.
- chemoautotrophs — Plural form of chemoautotroph.
- chemopsychiatry — the study and application of chemical substances in psychiatry
- chemosterilants — Plural form of chemosterilant.
- chinese mustard — brown mustard.
- cholesterolemia — the presence of an abnormal amount of cholesterol in the blood.
- christmas carol — a joyful hymn or religious song, celebrating the birth of Christ
- christmas party — a party organized before Christmas, usually by a firm or organization
- chromatic scale — a twelve-note scale including all the semitones of the octave
- cigarette smoke — the acrid smoke produced by cigarettes being smoked