10-letter words containing r, a, k
- bark cloth — a papery fabric made from the fibrous inner bark of various trees, esp of the moraceous genus Ficus and the leguminous genus Brachystegia
- barkantine — a sailing vessel having three or more masts, square-rigged on the foremast and fore-and-aft-rigged on the other masts.
- barkeepers — Plural form of barkeeper.
- barkentine — a sailing ship of three or more masts rigged square on the foremast and fore-and-aft on the others
- barkhausen — Heinrich Georg. 1881–1956, German physicist; discovered that ferromagnetic material in an increasing magnetic field becomes magnetized in discrete jumps (the Barkhausen effect)
- barracking — Present participle of barrack.
- basketwork — work that is interlaced or woven like a basket; wickerwork
- bath brick — a brick-shaped piece of calcareous earth, used for cleaning polished metal
- battercake — pancake (def 1).
- beam brick — a face brick for bonding to a concrete lintel poured in place, having a section like a right triangle.
- bell crank — a lever with two arms having a common fulcrum at their junction
- bench mark — a surveyor's mark made on a permanent landmark of known position and altitude: it is used as a reference point in determining other altitudes
- bergamasko — an inhabitant of Bergamo
- berkeleian — denoting or relating to the philosophy of George Berkeley
- birkenhead — a port in NW England, in Wirral unitary authority, Merseyside: former shipbuilding centre. Pop: 83 729 (2001)
- bitterbark — an Australian tree, Alstonia constricta, with bitter-tasting bark that is used in preparing tonic medicines
- black bear — the common North American bear (Ursus americanus) that lives in forests and feeds mainly on roots and berries
- black gram — a leguminous plant, Phaseolus mungo, whose seeds are used as food in India
- black iris — a painting (1926) by Georgia O'Keeffe.
- black mark — A black mark against someone is something bad that they have done or a bad quality that they have which affects the way people think about them.
- black ring — a disease of grasses, characterized by black rings surrounding the stems and blighted seeds, caused by a fungus, Balansia strangulans.
- black ruff — a large, blackish, pelagic fish, Centrolophus niger, of the Atlantic Ocean, chiefly along the coast of Europe.
- black rust — a stage in any of several diseases of cereals and grasses caused by rust fungi in which black masses of spores appear on the stems or leaves
- black tern — a small tern with a black head and body, Chlidonias niger, found on all continents except Australasia
- blackamoor — a Black African or other person with dark skin
- blackbeard — nickname of (Edward) Teach
- blackberry — A blackberry is a small, soft black or dark purple fruit.
- blackboard — A blackboard is a dark-coloured board that you can write on with chalk. Blackboards are often used by teachers in the classroom.
- blackguard — an unprincipled contemptible person; scoundrel
- blackheart — an abnormal darkening of the woody stems of some plants, thought to be caused by extreme cold
- blacksburg — a town in SW Virginia.
- blackshirt — (in Europe) a member of a fascist organization, esp a member of the Italian Fascist party before and during World War II
- blackstrap — a kind of port wine
- blackthorn — a thorny Eurasian rosaceous shrub, Prunus spinosa, with black twigs, white flowers, and small sour plumlike fruits
- blackwater — a stream stained dark with peat
- blockboard — a type of plywood in which soft wood strips are bonded together and sandwiched between two layers of veneer
- blue shark — a shark of the species Prionace glauca, found in temperate and tropical waters
- body track — the tracks of a railroad yard used for switching or sorting cars.
- boko haram — a militant and violent Islamic organization established in NE Nigeria in 2002 and also active in Niger, Chad, and Cameroon
- boneshaker — an early type of bicycle having solid tyres and no springs
- book share — a share of a mutual fund credited to the account of a shareholder without the physical issuance of a certificate evidencing ownership.
- bookmarked — a ribbon or other marker placed between the pages of a book to mark a place.
- bookreader — DEC's CD-ROM-based on-line documentation browser.
- borah peak — a mountain in central Idaho, in the Lost River Range: highest peak in Idaho. 12,662 feet (3861 meters).
- brace jack — a triangular piece of wood used for propping up scenery from behind.
- bracketing — a set of brackets
- bradykinin — a peptide in blood plasma that dilates blood vessels and causes contraction of smooth muscles. Formula: C50H73N15O11
- brahmaloka — the highest part of Kamaloka, where refined souls exist in blissful contemplation of Brahma.
- brailowsky — Alexander [al-ig-zan-der,, -zahn-;; Russian uh-lyi-ksahn-dr] /ˌæl ɪgˈzæn dər,, -ˈzɑn-;; Russian ʌ lyɪˈksɑn dr/ (Show IPA), 1896–1976, Russian pianist.
- brake band — a strip of fabric, leather, or metal tightened around a pulley or shaft to act as a brake