13-letter words containing r, o
- 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 piercing — the practice of making holes in the navel , nipples, etc so that jewellery can be worn in them
- body snatcher — (formerly) a person who robbed graves and sold the corpses for dissection
- body-centered — (of a crystal structure) having lattice points at the centers of the unit cells.
- bohr magneton — a unit that is used to indicate the magnetic moment of the electron structure in an atom, equal to 9.27 × 10 −21 erg/gauss.
- boiled dinner — a meal of meat and vegetables, as of corned beef, cabbage, and potatoes, prepared by boiling.
- boiling range — A boiling range is the temperature range involved in the distillation of oil, from the start to the time when it evaporates.
- bolt up right — a movable bar or rod that when slid into a socket fastens a door, gate, etc.
- bomber jacket — A bomber jacket is a short jacket which is gathered into a band at the waist or hips.
- bonanza creek — a stream in W Yukon Territory, Canada, flowing NW to the Klondike River near Dawson: gold strike 1896. 20 miles (32 km) long.
- bonded labour — a system in which a person provides labour in order to pay off debts
- bone-crushing — powerful or constricting enough to crush one's bones: a bone-crushing handshake.
- bonfire night — Bonfire Night is the popular name for Guy Fawkes Night.
- booby-trapped — (of a building, vehicle, etc) planted with a booby trap
- book learning — knowledge gained from books rather than from direct personal experience
- 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
- book-learning — knowledge acquired by reading books, as distinguished from that obtained through observation and experience.
- booking clerk — A booking clerk is a person who sells tickets, especially in a railway station.
- boole, george — George Boole
- boom operator — a person who operates a boom
- boomerang kid — a young adult who, after having lived on his or her own for a time, returns to live in the parental home, usually due to financial problems caused by unemployment or the high cost of living independently
- 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.
- bootlace worm — a nemertean worm, Lineus longissimus, that inhabits shingly shores and attains lengths of over 6 m (20 ft)
- borage family — any member of the plant family Boraginaceae, typified by herbaceous plants, shrubs, and trees having simple, alternate, hairy leaves and usually blue, five-lobed flowers in a cluster that uncoils as they bloom, including borage, bugloss, and forget-me-not.
- 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 collie — a medium-sized breed of collie with a silky usually black-and-white coat: used mainly as sheepdogs
- border patrol — a government agency in charge of preventing terrorists, weapons, and illegal immigrants entering the country
- border police — the force in charge of policing a border
- 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.
- borlotti bean — variety of kidney bean
- borna disease — viral disease found in mammals, esp horses
- boroglyceride — any compound containing boric acid and glycerol, used chiefly as an antiseptic.
- boron carbide — a black extremely hard inert substance having a high capture cross section for thermal neutrons. It is used as an abrasive, refractory, and in control rods in nuclear reactors. Formula: B4C
- boron hydride — borane.
- boron nitride — a white inert crystalline solid existing both in a graphite-like form and in an extremely hard diamond-like form (borazon). It is used as a refractory, high-temperature lubricant and insulator, and heat shield. Formula: BN
- borrowed time — an uncertain, usually limited period of time extending beyond or postponing the occurrence of something inevitable.
- 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-opener — A bottle-opener is a metal device for removing caps or tops from bottles.
- bottle-washer — a menial or factotum
- bottled fruit — fruit preserved in glass jars
- bottled water — water sold in bottles
- bottom drawer — a young woman's collection of clothes, linen, cutlery, etc, in anticipation of marriage
- bottom feeder — a fish that feeds on material at the bottom of a river, lake, sea, etc