13-letter words containing b, e, l, t, r
- bastard-title — Also called bastard title. the first printed page of certain books, appearing after the end papers and before the title page and containing only the title of the book.
- baton twirler — someone who twirls a baton, esp a drum major or majorette
- battlecruiser — A large warship of a type built in the early 20th century, carrying similar armament to a battleship but faster and more lightly armored.
- battlegrounds — Plural form of battleground.
- bbn butterfly — (computer) A supercomputer developed at BBN Technologies, named after the "butterfly" multi-stage switching network around which it was built. It could have up to 512 CPUs connected to allow every CPU access to every other CPU's memory, albeit with about 15 times the latency than for its own. The earlier GP-1000 models used up to 256 Motorola 68020s. The later TC-2000 models used up to 512 Motorola 88100s. Language developed for, or ported to, the BBN Butterfly were Butterfly Common LISP, Butterfly Scheme, Delirium, and MultiScheme.
- beam splitter — a system that divides a beam of light, electrons, etc, into two or more paths
- bear the palm — to be the winner; take the prize
- bearing plate — a heavy metal plate for receiving and distributing concentrated weight, as from a column or one end of a truss.
- beauty parlor — A beauty parlor is a place where women can go to have beauty treatments, for example, to have their hair, nails, or makeup done.
- beetle-browed — having bushy or overhanging eyebrows
- beetlebrained — stupid
- beleaguerment — a blockade or siege
- belligerently — aggressively
- bestsellerdom — the state or accomplishment of being a bestseller
- beta particle — a high-speed electron or positron emitted by a nucleus during radioactive decay or nuclear fission
- bethnal green — a former borough of London, England, N of the Thames.
- bias-ply tire — a vehicle tire in which the main plies or cords run across the bead.
- bible-thumper — an enthusiastic or aggressive exponent of the Bible
- bibliothecary — a librarian
- bibliotherapy — the use of reading as therapy
- bidirectional — (of a printhead) capable of printing from left to right and from right to left
- big-heartedly — in a big-hearted manner
- bill of entry — a list of goods received at a customs house for export or import
- bioelectrical — relating to electrical current generated by biological activity
- birectangular — having two right angles.
- bite your lip — If you bite your lip, you try very hard not to show the anger or distress that you are feeling.
- bitter almond — a variety of almond whose bitter seeds yield hydrocyanic acid upon hydrolysis
- bittersweetly — in a bittersweet manner
- black margate — a grayish grunt, Anisotremus surinamensis, of the Atlantic Ocean from Florida to Brazil.
- 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.
- 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)