15-letter words containing m, e, s, o, a
- assemblypersons — Plural form of assemblyperson.
- astrophotometry — the measurement of the intensity of light of celestial objects.
- as…as they come — the most characteristic example of a class or type
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- autotransformer — a transformer in which part of the winding is common to both primary and secondary circuits
- azobisformamide — (chemistry) azodicarbonamide.
- 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.
- basidiomycetous — belonging or pertaining to the basidiomycetes.
- basse-normandie — a region of NW France, on the English Channel: consists of the Cherbourg peninsula in the west rising to the Normandy hills in the east; mainly agricultural
- bathing costume — A bathing costume is a piece of clothing that is worn for swimming, especially by women and girls.
- bathroom scales — scales typically kept in a bathroom for people to weigh themselves
- bear comparison — to be sufficiently similar in class or range to be compared with (something else), esp favourably
- beat one's gums — to talk much and idly
- beat one's meat — to masturbate
- before the mast — as an apprentice seaman
- binomial series — an infinite series obtained by expanding a binomial raised to a power that is not a positive integer.
- blasphemousness — the quality of being blasphemous
- blueback salmon — sockeye salmon.
- body mass index — A person's body mass index is a measurement that represents the relationship between their weight and their height.
- 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
- box the compass — to name the compass points in order
- brother-in-arms — a fellow soldier or comrade in a shared struggle
- bulimia nervosa — a disorder characterized by compulsive overeating followed by vomiting: sometimes associated with anxiety about gaining weight
- bureau of mines — a division of the Department of the Interior, created in 1910, that studies the nation's mineral resources and inspects mines.
- cairngorm-stone — smoky quartz.
- camp counsellor — an adult supervisor assigned to a group of campers at a summer camp
- canada moonseed — a vine, Menispermum canadense, of eastern North America, having variable leaves and black, grapelike fruit.
- 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.
- chamber counsel — a counsel who advises in private and does not plead in court
- chamois leather — soft cleaning cloth
- charles coulomb — Charles Augustin de [sharl oh-gy-stan duh] /ʃarl oʊ güˈstɛ̃ də/ (Show IPA), 1736–1806, French physicist and inventor.
- charles simonyi — (person) Microsoft programmer, most famously responsible for Hungarian Notation. Simonyi was born in Budapest in 1948, and for more than a decade was senior programmer at Microsoft in Redmond.
- charm offensive — If you say that someone has launched a charm offensive, you disapprove of the fact that they are being very friendly to their opponents or people who are causing problems for them.
- 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
- chimney swallow — another name for common swallow
- cholesterolemia — the presence of an abnormal amount of cholesterol in the blood.
- chopped almonds — almonds cut into small pieces
- chromatic scale — a twelve-note scale including all the semitones of the octave
- chromosome band — any of the transverse bands that appear on a chromosome after staining. The banding pattern is unique to each type of chromosome, allowing characterization
- cigarette smoke — the acrid smoke produced by cigarettes being smoked