12-letter words containing a, d, r, o
- bad scran to — bad luck to
- baffle board — a plate or mechanical device designed to restrain or regulate the flow of a fluid, the emission of light or sound, or the distribution of sound, esp in a loudspeaker or microphone
- ballad opera — an opera consisting of popular tunes to which appropriate words have been set, interspersed with spoken dialogue
- balladmonger — (formerly) a seller of ballads, esp on broadsheets
- banderillero — a bullfighter's assistant who sticks banderillas into the bull
- banner cloud — a plume-shaped cloud extending downwind from an isolated mountain peak. Also called cloud banner. Compare cap cloud (def 1).
- barbados nut — an ornamental, tropical American tree, Jatropha curcas, of the spurge family, having ivylike leaves, small, yellow or greenish-yellow flowers, and olive-shaped fruit yielding a purgative, poisonous oil.
- bard of avon — Shakespeare
- bardolatrous — relating to or characterized by bardolatry
- barium oxide — a white or yellowish-white poisonous heavy powder used esp as a dehydrating agent. Formula: BaO
- barodynamics — the branch of mechanics concerned with heavy structures
- basidiocarps — Plural form of basidiocarp.
- basidiospore — one of the spores, usually four in number, produced in a basidium
- bastardsword — Alternative spelling of bastard sword.
- batter board — (at a building site) one of a number of boards set horizontally to support strings for outlining the foundation plan of a building.
- battleground — A battleground is the same as a battlefield.
- bear down on — to press down on; exert pressure on
- beardtongues — Plural form of beardtongue.
- bearing down — to hold up; support: to bear the weight of the roof.
- beyond reach — inaccessible
- biohazardous — a pathogen, especially one used in or produced by biological research.
- birthday boy — the boy or man whose birthday is being celebrated
- black powder — gunpowder as used in sports involving modern muzzleloading firearms
- bladder worm — an encysted saclike larva of the tapeworm. The main types are cysticercus, hydatid, and coenurus
- blood orange — a variety of orange all or part of the pulp of which is dark red when ripe
- board member — a member of board of directors
- board school — (formerly) a school managed by a board elected by local ratepayers
- board shorts — shorts with longer legs, originally meant to protect a surfer's legs against the surfboard
- boarder baby — an infant or young child who is abandoned or orphaned and left in a hospital for lack of a foster home.
- boarding out — the local-authority practice of placing a client in a foster family or voluntary establishment and paying for it
- boardsailing — windsurfing
- body repairs — repairs to the bodywork of cars
- body scanner — a machine using X-rays and a computer, used in medicine to look for signs of disease, or in security operations to look for drugs, weapons, etc
- bodyboarding — the sport of surfing using a bodyboard
- bog-standard — If you describe something as bog-standard you mean that is an ordinary example of its kind, with no exciting or interesting features.
- bond servant — a person who serves in bondage; slave.
- boobytrapped — to set with or as if with a booby trap; attach a booby trap to or in.
- boogie board — a small, flexible plastic surfboard, ridden lying down.
- border guard — a guard stationed on a border between countries
- border state — a state adjacent to a border
- border taxes — taxes payable on goods taken across a border
- 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.
- boulder clay — an unstratified glacial deposit consisting of fine clay, boulders, and pebbles
- boulevardier — (originally in Paris) a fashionable man, esp one who frequents public places
- bound charge — any electric charge that is bound to an atom or molecule (opposed to free charge).
- braggadocios — empty boasting; bragging.
- branch depot — one of a several depots receiving stock from the same central supplier
- brassfounder — a person who makes things from brass
- break ground — to do something that has not been done before
- break of day — dawn; daybreak.