13-letter words containing r, s
- birthday suit — If you are in your birthday suit, you are not wearing any clothes.
- biscuit bread — biscuits or a biscuit: I like biscuit bread more than corn bread for supper.
- biscuit-fired — (of a ceramic object) fired to harden the body.
- bishop's ring — a reddish-brown corona occasionally seen around the sun, caused by volcanic dust in the atmosphere.
- bits per inch — (unit) (BPI) A measure of the recording density of a magnetic tape or disk.
- bittersweetly — in a bittersweet manner
- black mustard — a Eurasian plant, Brassica (or Sinapsis) nigra, with clusters of yellow flowers and pungent seeds from which the condiment mustard is made: family Brassicaceae (crucifers)
- black russian — a drink made from one part coffee liqueur and two parts vodka, served over ice.
- black skimmer — a black and white New World skimmer, Rynchops nigra, having a bill with a reddish-orange base.
- bladder senna — a Eurasian leguminous plant, Colutea arborescens, with yellow and red flowers and membranous inflated pods
- blair's babes — (in Britain) the female Members of Parliament elected as part of Prime Minister Tony Blair's Labour government in 1997
- blamestorming — a discussion or meeting for the purpose of assigning blame.
- blarney stone — a stone in Blarney Castle, in the SW Republic of Ireland, said to endow whoever kisses it with the gift of the gab and skill in flattery
- blast furnace — A blast furnace is a large structure in which iron ore is heated under pressure so that it melts and the pure iron metal separates out and can be collected.
- blepharoplast — a cylindrical cytoplasmic body in protozoa
- blepharospasm — spasm of the muscle of the eyelids, causing the eyes to shut tightly, either as a response to painful stimuli or occurring as a form of dystonia
- blister steel — steel produced from wrought iron by cementation in covered pots, having a blistered appearance because of the gases generated during the process.
- block letters — Block letters are the same as block capitals.
- block release — the release of industrial trainees from work for study at a college for several weeks
- blood blister — a blister filled with blood
- bloody caesar — a drink consisting of vodka, juice made from clams and tomatoes, and usually Worcester sauce and hot pepper sauce
- blue copperas — a salt, copper sulfate, CuSO 4 ⋅5H 2 O, occurring naturally as large transparent, deep-blue triclinic crystals, appearing in its anhydrous state as a white powder: used chiefly as a mordant, insecticide, fungicide, and in engraving.
- blue grosbeak — a grosbeak, Guiraca caerulea, of the U.S., Mexico, and Central America, the male of which is blue with two rusty bars on each wing.
- blue rockfish — a bluish-black rockfish, Sebastodes mystinus, inhabiting Pacific coastal waters of North America.
- blue whistler — blue norther.
- board measure — a system of units for measuring wood based on the board foot. 1980 board feet equal one standard
- boarding fees — fees paid for boarding at a school
- boarding pass — A boarding pass is a card that a passenger must have when boarding a plane or a boat.
- boardinghouse — a private house in which accommodation and meals are provided for paying guests
- body brussels — a carpet made with three-ply or four-ply worsted yarn drawn up in uncut loops to form a pattern over the entire surface (body Brussels) or made of worsted or woolen yarns on which a pattern is printed (tapestry Brussels)
- body snatcher — (formerly) a person who robbed graves and sold the corpses for dissection
- bone-crushing — powerful or constricting enough to crush one's bones: a bone-crushing handshake.
- book of hours — a book used esp in monasteries during the Middle Ages that contained the prayers and offices of the canonical hours
- book scorpion — any of various small arachnids of the order Pseudoscorpionida (false scorpions), esp Chelifer cancroides, which are sometimes found in old books, etc
- booster cable — either of a pair of electric cables having clamps at each end and used for starting the engine of a vehicle whose battery is dead.
- boraginaceous — of, relating to, or belonging to the Boraginaceae, a family of temperate and tropical typically hairy-leaved flowering plants that includes forget-me-not, lungwort, borage, comfrey, and heliotrope
- border states — slave states bordering on the free states before the Civil War: Mo., Ky., Va., Md., & Del.
- boring sponge — any of a family (Clionidae) of sponges that settle on and dissolve the shells of clams
- boris godunov — Boris Fedorovich [bawr-is fi-dawr-uh-vich,, bohr-,, bor-;; Russian buh-ryees fyaw-duh-ruh-vyich] /ˈbɔr ɪs fɪˈdɔr ə vɪtʃ,, ˈboʊr-,, ˈbɒr-;; Russian bʌˈryis ˈfyɔ də rə vyɪtʃ/ (Show IPA), 1552–1605, regent of Russia 1584–98 and czar 1598–1605.
- borna disease — viral disease found in mammals, esp horses
- bosch process — an industrial process for manufacturing hydrogen by the catalytic reduction of steam with carbon monoxide
- bosman ruling — an EU ruling that allows out-of-contract footballers to leave their clubs without the clubs receiving a transfer fee
- boston matrix — a two-dimensional matrix, used in planning the business strategy of a large organization, that identifies those business units in the organization that generate cash and those that use it
- boston rocker — a type of 19th-cent. American rocking chair, having a curved wooden seat and a high back formed of spindles held in place by a broad headpiece
- botryomycosis — a disease, usually of horses, caused by a bacterial infection (usually, Staphylococcus aureus) producing tumorous growths esp. after castration or a wound or injury
- bottle-washer — a menial or factotum
- boundary scan — The use of scan registers to capture state from device input and output pins. IEEE Standard 1149.1-1990 describes the international standard implementation (sometimes called JTAG after the Joint Test Action Group which began the standardisation work).
- boustrophedon — having alternate lines written from right to left and from left to right
- boutros-ghali — ˈBoutros (ˈbutroʊs ) ; bo̅oˈtrōs) 1922- ; Egypt. diplomat: secretary-general of the United Nations (1992-96)
- bowman's root — an eastern U.S. plant, Gillenia trifoliata, of the rose family, having terminal clusters of white flowers.