15-letter words containing a, i, r, t, n, s
- australian pine — casuarina
- austria-hungary — the Dual Monarchy established in 1867, consisting of what are now Austria, Hungary, the Czech Republic, Slovakia, Slovenia, Croatia, and Bosnia-Herzegovina, and parts of Poland, Romania, Ukraine, and Italy. The empire was broken up after World War I
- autotransfusion — a process in which a patient receives some of his or her own blood in a transfusion rather than a donor's blood
- back plastering — the introduction of partitions of lath and plaster between the inner and outer surfaces of a stud wall in order to improve the insulating properties of the wall.
- back-scratching — a reciprocal exchange of favors, aid, or compliments
- bandpass filter — A bandpass filter is a filter designed to pass all frequencies within a band of frequencies.
- bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
- bangtail muster — a roundup of cattle to be counted, each one having the hairs on its tail docked as it is counted
- barry mountains — a mountain range in SE Australia, in E Victoria: part of the Australian Alps
- bathurst island — an island off the coast of N Nunavut, Canada, in the Arctic Archipelago: present south of the North Magnetic Pole nearby. 7609 sq. mi. (19,707 sq. km).
- beta conversion — (theory) A term from lambda-calculus for beta reduction or beta abstraction.
- bioastronautics — the study of the effects of space flight on living organisms
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- boa constrictor — A boa constrictor is a large snake that kills animals by wrapping itself round their bodies and squeezing them to death. Boa constrictors are found mainly in South and Central America and the West Indies.
- 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.
- brachistochrone — the curve between two points through which a body moves under the force of gravity in a shorter time than for any other curve; the path of quickest descent
- bragging rights — notional privileges that are gained by defeating a close rival
- branchiostegous — branchiostegal.
- brand extension — the practice of using a well-known brand name to promote new products or services in unrelated fields
- breaking strain — the amount of strain that, if applied to a particular material, will cause it to break
- breathing space — A breathing space is a short period of time between two activities in which you can recover from the first activity and prepare for the second one.
- brillat-savarin — Anthelme (ɑ̃tɛlm). 1755–1826, French lawyer and gourmet; author of Physiologie du Goût (1825)
- bristol channel — an inlet of the Atlantic, between S Wales and SW England, merging into the Severn estuary. Length: about 137 km (85 miles)
- bristol fashion — clean and neat, with newly painted and scrubbed surfaces, brass polished, etc
- bronchial tubes — the bronchi or their smaller divisions
- bronze diabetes — hemochromatosis.
- brother-in-arms — a fellow soldier or comrade in a shared struggle
- building trades — the trades and professions concerned with the creation and finishing of buildings, such as carpenters, plasterers, masons, electricians, etc.
- burt l standish — Burt L. pseudonym of Gilbert Patten.
- cabinet scraper — a scraper used in preparing a wood surface for sanding.
- 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.
- calliper splint — a splint consisting of two metal rods with straps attached, for supporting or exerting tension on the leg
- canisterization — the process of putting (something) into a canister or canisters
- cape finisterre — a headland in NW Spain: the westernmost point of the Spanish mainland
- captain's chair — a hardwood armchair having a low, curved back, formed of a single rail supported by spindles, and a saddle seat
- cardinal points — the four main points of the compass: north, south, east, and west
- 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)
- carpentersville — a city in NE Illinois, near Chicago.
- cartesian diver — a glass vessel partially filled with water and covered with an airtight membrane, containing a hollow object that is open at the bottom and contains just enough air to allow it to float. Pressing on the membrane compresses the air in the vessel and forces water into the object, causing it to sink; releasing the membrane causes it to rise.
- cartesian doubt — willful suspension of all interpretations of experience that are not absolutely certain: used as a method of deriving, by elimination of such uncertainties, axioms upon which to base theories.
- cartesian plane — Usually, Cartesian coordinates. a member of a system of coordinates for locating a point on a plane (Cartesian plane) by its distance from each of two intersecting lines, or in space by its distance from each of three planes intersecting at a point.
- cartesian space — ordinary two- or three-dimensional space.
- cartier-bresson — Henri (ɑ̃ri). 1908–2004, French photographer
- casparian strip — a band of suberized material around the radial walls of endodermal cells: impervious to gases and liquids
- cast aspersions — If you cast aspersions on someone or something, you suggest that they are not very good in some way.
- cast-iron plant — any of several plants belonging to the genus Aspidistra, of the lily family, native to eastern Asia, especially A. eliator, having large evergreen leaves often striped with white, and grown as a houseplant.
- castanospermine — a substance obtained from the Australian chestnut or black bean tree