16-letter words containing o, n, m, a
- autumnal equinox — the time at which the sun crosses the plane of the equator away from the relevant hemisphere, making day and night of equal length. It occurs about Sept 23 in the N hemisphere (March 21 in the S hemisphere)
- azodicarbonamide — (chemistry) An organic chemical, a yellow to orange red, odorless, crystalline powder, used in food industry as a food additive, a flour bleaching agent and improving agent and in foaming plastics.
- background music — music of any kind that is played while some other activity is going on, so that people do not actively attend to it
- backus-naur form — (language, grammar) (BNF, originally "Backus Normal Form") A formal metasyntax used to express context-free grammars. Backus Normal Form was renamed Backus-Naur Form at the suggestion of Donald Knuth. BNF is one of the most commonly used metasyntactic notations for specifying the syntax of programming languages, command sets, and the like. It is widely used for language descriptions but seldom documented anywhere (how do you document a metasyntax?), so that it must usually be learned by osmosis (but see RFC 2234). Consider this BNF for a US postal address:
::= ::= | "." ::= [ ] | ::= [ ] ::= "," This translates into English as: "A postal-address consists of a name-part, followed by a street-address part, followed by a zip-code part. A personal-part consists of either a first name or an initial followed by a dot. A name-part consists of either: a personal-part followed by a last name followed by an optional "jr-part" (Jr., Sr., or dynastic number) and end-of-line, or a personal part followed by a name part (this rule illustrates the use of recursion in BNFs, covering the case of people who use multiple first and middle names and/or initials). A street address consists of an optional apartment specifier, followed by a street number, followed by a street name. A zip-part consists of a town-name, followed by a comma, followed by a state code, followed by a ZIP-code followed by an end-of-line." Note that many things (such as the format of a personal-part, apartment specifier, or ZIP-code) are left unspecified. These lexical details are presumed to be obvious from context or specified somewhere nearby. There are many variants and extensions of BNF, possibly containing some or all of the regexp wild cards such as "*" or "+". EBNF is a common one. In fact the example above isn't the pure form invented for the ALGOL 60 report. "[]" was introduced a few years later in IBM's PL/I definition but is now universally recognised. ABNF is another extension. - badminton racket — the type of racket used in games of badminton
- balkan mountains — a mountain range extending across Bulgaria from the Black Sea to the eastern border. Highest peak: Mount Botev, 2376 m (7793 ft)
- balloon mortgage — A balloon mortgage is a mortgage on which the repayments are relatively small until the large final payment.
- ballroom dancing — Ballroom dancing is a type of dancing in which a man and a woman dance together using fixed sequences of steps and movements.
- baltimore canyon — a submarine valley cut into the continental shelf and slope seaward of Chesapeake Bay.
- barium carbonate — a white, poisonous, water-insoluble powder, BaCO 3 , used chiefly in the manufacture of rodenticides, paints, and dyes.
- baron tweedsmuir — the title of Scottish novelist John Buchan
- basement complex — the undifferentiated assemblage of rock (basement rock) underlying the oldest stratified rocks in any region: usually crystalline, metamorphosed, and mostly, but not necessarily, Precambrian in age.
- bastard mahogany — an Australian tree, Eucalyptus botryoides, of the myrtle family, having lance-shaped leaves and furrowed bark.
- bathroom cabinet — a wall-mounted cabinet in a bathroom, typically with a mirror front and used for the storage of medicines and toiletries
- be on the market — to be offered for sale
- be one's own man — to be independent or free
- be the making of — to cause the success of
- belgian malinois — one of a Belgian breed of medium-sized dogs having a short coat, tan to dark brown in color, a black mask, and erect ears, bred originally as a sheepherding dog.
- benoit samuelson — Joan (Joan Benoit) born 1957, U.S. distance runner: first Olympic marathon women's winner, 1984.
- bethmann hollweg — Theobald von (ˈteːobalt fɔn). 1856–1921, chancellor of Germany (1909–17)
- bethmann-hollweg — Theobald von [tey-oh-bahlt fuh n] /ˈteɪ oʊˌbɑlt fən/ (Show IPA), 1856–1921, German statesman: chancellor 1909–17.
- binomial theorem — a mathematical theorem that gives the expansion of any binomial raised to a positive integral power, n. It contains n + 1 terms: (x + a)n = xn + nxn–1a + [n(n–1)/2] xn–2a2 +…+ (nk) xn–kak + … + an, where (nk) = n!/(n–k)!k!, the number of combinations of k items selected from n
- bioenvironmental — pertaining to the environment of living organisms: Bioenvironmental engineers seek to reduce air and water pollution.
- biomagnification — biological magnification.
- blink comparator — an optical instrument used to detect small differences in two photographs of the same field or object by viewing them alternately, switching rapidly from one to the other.
- boatswain's mate — a job classification in the US navy
- bohemian waxwing — any of several songbirds of the family Bombycillidae, having a showy crest and certain feathers tipped with a red, waxy material, as Bombycilla garrulus (Bohemian waxwing) of the Northern Hemisphere.
- bombing campaign — a concerted, intensive and prolonged bombing of a target
- bon gre, mal gre — whether willing or not; willy-nilly.
- bonhomme richard — the flagship of John Paul Jones.
- bornholm disease — an epidemic virus infection characterized by pain round the base of the chest
- boston cream pie — a cake of two layers with icing and a creamy filling
- bowman's capsule — a membranous, double-walled capsule surrounding a glomerulus of a nephron.
- brick-and-mortar — pertaining to conventional stores, businesses, etc., having physical buildings and facilities, as opposed to Internet or remote services.
- bronchial asthma — asthma.
- bronchopneumonia — inflammation of the lungs, originating in the bronchioles
- buckthorn family — the plant family Rhamnaceae, characterized by shrubs and trees having alternate, simple leaves, clusters of small flowers, and fruit in the form of a drupe or capsule, and including the buckthorn, cascara, and New Jersey tea.
- buoyancy chamber — an enclosed section of a canoe, float, ship or other object that contains air, foam, or another buoyant substance in order to help maintain buoyancy
- busman's holiday — If you have a holiday, but spend it doing something similar to your usual work, you can refer to it as a busman's holiday.
- camborne-redruth — a former (until 1974) urban district in SW England, in Cornwall: formed in 1934 by the amalgamation of the neighbouring towns of Camborne and Redruth. Pop: 39 936 (2001)
- cameo appearance — a single and often brief dramatic scene played by a well-known actor or actress in a film or television play
- campagna di roma — low-lying plain in central Italy, around Rome: c. 800 sq mi (2,072 sq km)
- canada mayflower — a small wildflower (Maianthemum canadense) of the lily family, with white flowers and red, beadlike berries, found in the N U.S. and in Canada; bead-ruby
- canadian hemlock — eastern hemlock.
- capital movement — the payments that flow between countries
- capsizing moment — the moment of an upsetting couple.
- carnot's theorem — the principle that no engine operating between two given temperatures can be more efficient than a Carnot engine operating between the same temperatures.
- chain of command — the various individual officers, ranks etc that constitute a hierarchy each level receiving orders from the one above it and passing on the orders to the one below
- chance one's arm — to attempt to do something although the chance of success may be slight
- chemical weapons — toxic chemicals used as weapons