17-letter words containing a, s, l, o
- blue false indigo — a North American plant, Baptisia australis, of the legume family, having wedge-shaped leaflets and blue, clustered flowers.
- blue sky software — eHelp Corporation
- bluegrass country — region in central Ky. where there is much bluegrass
- board-and-shingle — a small dwelling with wooden walls and a shingle roof
- boileau-despreaux — Nicolas [nee-kaw-lah] /ni kɔˈlɑ/ (Show IPA), 1636–1711, French critic and poet.
- boothia peninsula — a peninsula of N Canada: the northernmost part of the mainland of North America, lying west of the Gulf of Boothia, an arm of the Arctic Ocean
- boots and saddles — a bugle call formerly used in the US Cavalry to summon soldiers to mount
- bottlebrush grass — a North American grass, Hystrix patula, having loose flower spikes with long awns.
- boulder raspberry — a shrub, Rubus deliciosus, of Colorado, having large white flowers and purple fruit.
- branch delay slot — delayed control-transfer
- british columbian — of or relating to British Columbia or its inhabitants
- broderie anglaise — open embroidery on white cotton, fine linen, etc
- bronze star medal — a U.S. military decoration awarded for heroic or meritorious achievement or service in combat not involving aerial flight
- buyers' inflation — inflation in which rising demand results in a rise in prices.
- buys ballot's law — a law stating that if an observer stands with his back to the wind in the N hemisphere, atmospheric pressure is lower on his left, and vice versa in the S hemisphere
- buys-ballot's law — the law stating that if one stands with one's back to the wind, in the Northern Hemisphere the atmospheric pressure will be lower on one's left and in the Southern Hemisphere it will be lower on one's right: descriptive of the relationship of horizontal winds to atmospheric pressure.
- café-au-lait spot — a brown patch on the skin that can occur normally in small numbers or in neurofibromatosis, when they are more numerous
- calcium phosphate — the insoluble nonacid calcium salt of orthophosphoric acid (phosphoric(V) acid): it occurs in bones and is the main constituent of bone ash. Formula: Ca3(PO4)2
- calf's-foot jelly — a jelly made from the stock of boiled calves' feet and flavourings, formerly often served to invalids
- call-and-response — a form of interaction between a speaker and one or more listeners, in which every utterance of the speaker elicits a verbal or non-verbal response from the listener or listeners
- calorie-conscious — aware of the calorie content of one's diet
- carbon disulphide — a colourless slightly soluble volatile flammable poisonous liquid commonly having a disagreeable odour due to the presence of impurities: used as an organic solvent and in the manufacture of rayon and carbon tetrachloride. Formula: CS2
- cardiac glycoside — any of a group of drugs used to stimulate the heart in cases of heart failure, obtained from a number of plants, as the foxglove, squill, or yellow oleander.
- cardinal grosbeak — any of various mostly tropical American buntings, such as the cardinal and pyrrhuloxia, the males of which have brightly coloured plumage
- carlos de austria — Don [dawn] /dɔn/ (Show IPA), 1545–68, eldest son of Philip II of Spain: died during imprisonment for conspiracy against his father.
- carolina allspice — any of a genus (Calycanthus) of hardy shrubs (family Calycanthaceae) of a dicotyledonous order (Laurales) of plants, bearing reddish-brown, sweet-smelling flowers
- carolina moonseed — a twining woody vine, Cocculus carolinus, of the southeastern U.S., having inconspicuous flowers and showy, red fruit.
- castor and pollux — the twin sons of Leda: Pollux was fathered by Zeus, Castor by the mortal Tyndareus. After Castor's death, Pollux spent half his days with his half-brother in Hades and half with the gods in Olympus
- cat-o'-nine-tails — a rope whip consisting of nine knotted thongs, used formerly to flog prisoners
- catholic epistles — the epistles of James, I and II Peter, I John, and Jude, which were addressed to the universal Church rather than to an individual or a particular church
- causality paradox — the hypothetical cause-and-effect of time travel and making changes in the past that would affect current actions.
- celestial equator — the great circle lying on the celestial sphere, the plane of which is perpendicular to the line joining the north and south celestial poles
- celestial horizon — the line or circle that forms the apparent boundary between earth and sky.
- cellulose acetate — nonflammable material made by acetylating cellulose: used in the manufacture of film, dopes, lacquers, and artificial fibres
- cellulose nitrate — a compound made by treating cellulose with nitric and sulphuric acids, used in plastics, lacquers, and explosives: a nitrogen-containing ester of cellulose
- cellulose varnish — a varnish made from cellulose nitrate, used as a protective sealing film
- centi-call second — (spelling) No, it's centum call second.
- châlons-sur-marne — city in NE France, on the Marne River: scene of defeat ( a.d. 451) of Attila by the Romans: pop. 50,000
- chanson de roland — English The Song of Roland. a chanson de geste (c1100) relating Roland's brave deeds and death at Roncesvalles and Charlemagne's revenge.
- charles henry dow — Charles Henry, 1851–1902, U.S. journalist and publisher: a founder of Dow Jones company.
- charles townshend — Charles, 1725–67, English politician, chancellor of the exchequer for whom the Townshend Acts are named.
- checkable deposit — a checking account
- chelsea pensioner — an old ex-soldier resident in the Chelsea Royal Hospital
- china grass cloth — grass cloth.
- choanoflagellates — Plural form of choanoflagellate.
- chocolate biscuit — a biscuit covered with chocolate
- chocolate soldier — a person who mistakenly believes that he or she is very powerful, important, or impressive
- chromolithographs — Plural form of chromolithograph.
- cinisello balsamo — a city in N Italy, near Milan.
- circle the wagons — to take defensive action; prepare for an attack: from arranging a wagon train in a circular formation