13-letter words containing r, e, t
- black panther — (in the US) a member of a militant Black political party (1965–82) founded to end the political dominance of White people
- black quarter — blackleg (def 1).
- black tracker — an Aboriginal tracker working for the police
- black treacle — molasses
- black vulture — the Eurasian vulture, Aegypius monachus, of the family Accipitridae
- black-hearted — evil, malicious, or wicked
- blame culture — the tendency to look for one person or organization that can be held responsible for a bad state of affairs, an accident, etc
- blamestorming — a discussion or meeting for the purpose of assigning blame.
- blanketflower — a hardy flowering plant, Gaillardia aristata, that grows in the US
- 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.
- blaze a trail — to explore new territories, areas of knowledge, etc, in such a way that others can follow
- blepharoplast — a cylindrical cytoplasmic body in protozoa
- 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.
- blood blister — a blister filled with blood
- blood brother — A man's blood brother is a man he has sworn to treat as a brother, often in a ceremony which involves mixing a small amount of their blood.
- blue verditer — either of two pigments, consisting usually of carbonate of copper prepared by grinding either azurite (blue verditer) or malachite (green verditer)
- blue whistler — blue norther.
- board meeting — a meeting of the board of a company or other organization
- 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.
- bomber jacket — A bomber jacket is a short jacket which is gathered into a band at the waist or hips.
- bonfire night — Bonfire Night is the popular name for Guy Fawkes Night.
- booby-trapped — (of a building, vehicle, etc) planted with a booby trap
- boom operator — a person who operates a boom
- 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)
- border patrol — a government agency in charge of preventing terrorists, weapons, and illegal immigrants entering the country
- border states — slave states bordering on the free states before the Civil War: Mo., Ky., Va., Md., & Del.
- borlotti bean — variety of kidney bean
- 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.
- 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
- 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
- bounty hunter — A bounty hunter is someone who tries to find or kill someone in order to get the reward that has been offered.
- bounty jumper — in the U.S. Civil War, a man who accepted the cash bounty offered for enlisting and then deserted
- bouquet garni — A bouquet garni is a bunch of herbs that are tied together and used in cooking to add flavour to the food.
- boustrophedon — having alternate lines written from right to left and from left to right
- bow collector — a sliding current collector, consisting of a bow-shaped strip mounted on a hinged framework, used on trains, etc, to collect current from an overhead-wire
- box stretcher — a heavy rectangular stretcher connecting successive legs of a table, chair, etc.
- brace and bit — a hand tool for boring holes, consisting of a cranked handle into which a drilling bit is inserted
- brachypterous — having very short or incompletely developed wings
- brachytherapy — a form of radiotherapy in which sealed sources of radioactive material are inserted temporarily into body cavities or directly into tumours