12-letter words containing a, l, t, i
- bilateralism — the practice of being bilateral
- bilinguality — the ability to speak two languages fluently.
- billingsgate — the largest fish market in London, on the N bank of the River Thames; moved to new site at Canary Wharf in 1982 and the former building converted into offices
- binocularity — binocular characteristics
- biosatellite — an artificial satellite for carrying living organisms
- biotechnical — relating to biotechnology
- biparentally — from a biparental point of view
- bipropellant — a rocket propellant consisting of two substances, usually a fuel and an oxidizer
- birth family — one's biological parents and siblings, as contrasted with one's adoptive family.
- bitter aloes — a bitter purgative drug made from the leaves of several species of aloe
- bitter apple — colocynth
- bitter lakes — two lakes, the Great Bitter Lake and Little Bitter Lake in NE Egypt: part of the Suez Canal
- black knight — a person or firm that makes an unwelcome takeover bid for a company
- blandishment — the act of blandishing; cajolery
- blastocoelic — of or relating to the blastocoel
- blastulation — the process of blastula formation
- blatherskite — a talkative silly person
- blaue reiter — der Blaue Reiter. a group of German expressionist painters formed in Munich in 1911, including Kandinsky and Klee, who sought to express the spiritual side of man and nature, which they felt had been neglected by impressionism
- blazing star — a North American liliaceous plant, Chamaelirium luteum, with a long spike of small white flowers
- bletheration — nonsense!
- blister pack — a type of packet in which small items are displayed and sold, consisting of a transparent dome of plastic or similar material mounted on a firm backing such as cardboard
- bloodstained — Someone or something that is bloodstained is covered with blood.
- blotting-pad — an object to one side of which a piece of blotting paper is attached for blotting text handwritten in ink
- blue catfish — a large freshwater catfish, Ictalurus furcatus, that is a popular food fish in the states of the Mississippi River valley.
- bluefin tuna — the largest tuna (Thunnus thynnus): it has bright red flesh and is important as a game and food fish
- blues guitar — blues guitar music
- boatbuilding — Boatbuilding is the craft or industry of making boats.
- boating lake — a lake in a park where rowing boats can be hired
- boletic acid — fumaric acid.
- born-digital — relating to or noting documents, images, etc., that are created and managed in electronic form: electronic preservation of born-digital content; a born-digital e-book that will not be available in print.
- borosilicate — a salt of boric and silicic acids
- botticellian — Sandro [san-droh,, sahn-;; Italian sahn-draw] /ˈsæn droʊ,, ˈsɑn-;; Italian ˈsɑn drɔ/ (Show IPA), (Alessandro di Mariano dei Filipepi) 1444?–1510, Italian painter.
- boulangerite — a bluish lead-gray mineral, lead antimony sulfide, Pb 5 Sb 4 S 11 , a minor ore of lead.
- brazilianite — a mineral, sodium aluminum phosphate, Na 2 Al 6 P 4 O 16 (OH) 8 , occurring in yellow-green crystals with a vitreous luster: used as a gem.
- breast drill — a geared drill that can be braced against the chest for additional leverage.
- bridal party — the people who accompany the bride as she comes to her wedding
- bridal suite — a room or set of rooms in a hotel for newly married couples
- bridge table — a square card table with folding legs.
- brilliantine — a perfumed oil used to make the hair smooth and shiny
- british rail — the organization that ran the British railway system from 1948 until privatization in the mid-1990s
- brittle star — any echinoderm of the class Ophiuroidea, having the body composed of a central, rounded disk from which radiate long, slender, fragile arms.
- brittle-star — any echinoderm of the class Ophiuroidea, occurring on the sea bottom and having five long slender arms radiating from a small central disc
- brushability — the quality of being brushable
- bull mastiff — a large powerful breed of dog with a short usually fawn or brindle coat, developed by crossing the bulldog with the mastiff
- bull-baiting — the setting of dogs on a chained or confined bull, formerly a popular pastime in England
- bullet train — a passenger train that travels at very high speed
- burro's tail — a succulent Mexican plant, Sedum morganianum, of the stonecrop family, bearing small, rose-colored flowers and long, hanging, nearly cylindrical stems with closely packed whitish-green leaves.
- bushy-tailed — bright-eyed and bushy-tailed, fresh, alert, eager, and lively
- button quail — any small quail-like terrestrial bird of the genus Turnix, such as T. sylvatica (striped button quail), occurring in tropical and subtropical regions of the Old World: family Turnicidae, order Gruiformes (cranes, rails, etc)
- c'est la vie — that's life