12-letter words containing d, o, a
- archdiocesan — Relating to an archdiocese.
- archdioceses — Plural form of archdiocese.
- arfvedsonite — a type of hornblende with the composition Na3(Fe,Mg)4FeSi8O22(OH)2
- aria da capo — an operatic aria in three sections with the first and third sections alike and the middle section contrasting.
- armed forces — The armed forces or the armed services of a country are its military forces, usually the army, navy, marines, and air force.
- armor-plated — An armor-plated vehicle or building has a hard metal covering in order to protect it from gunfire and other missiles.
- armored rope — rope made of wire-wrapped hempen strands that is used in salvage work.
- armoured car — a fast lightly armed and armoured vehicle, mainly used for reconnaissance
- around about — Around about means approximately.
- art director — a person responsible for the sets and costumes in a film
- artiodactyle — (zoology) One of the Artiodactyla, a group of ungulates.
- artiodactyls — Plural form of artiodactyl.
- aschoff body — any of the spindleshaped nodules found in heart tissue and associated with the myocarditis of rheumatic fever.
- ash-coloured — silver-grey in colour
- assortedness — the position of being sorted, grouped or harmonized with, well or badly, or provided with a good or bad assortment or mixture
- assumed bond — a bond issued by one corporation and assumed as an obligation by another.
- astoundingly — capable of overwhelming with amazement; stunningly surprising.
- astrodynamic — Pertaining to astrodynamics.
- attitudinous — (informal) Having a bold and possibly unfriendly attitude; sassy.
- auctioneered — Simple past tense and past participle of auctioneer.
- audio system — integrated equipment for producing amplified sound, as in a hi-fi or a mobile disco, or as a public-address system on stage
- audio-visual — Audio-visual equipment and materials involve both recorded sound and pictures.
- audiological — Of, or pertaining to, audiology, or the study of hearing.
- audiologists — Plural form of audiologist.
- audiovisuals — Plural form of audiovisual.
- auditorially — Anatomy, Physiology. pertaining to hearing, to the sense of hearing, or to the organs of hearing.
- autoantibody — an antibody reacting with an antigen that is a part of the organism in which the antibody is formed
- autodestruct — likely to or possessing the power to destroy or obliterate itself or its possessor
- autodiallers — Plural form of autodialler.
- autodidactic — a person who has learned a subject without the benefit of a teacher or formal education; a self-taught person.
- autoxidation — oxidation by exposure to atmospheric oxygen
- avoidability — The possibility of avoiding; the state or condition of being avoidable.
- bachelor pad — a flat in which a bachelor lives
- bachelorhood — the state of being a bachelor.
- back molding — a molding, as a backband, applied to interior window and door trim to conceal the edge of the wall surface.
- back-stopped — a wall, wire screen, or the like, serving to prevent a ball from going too far beyond the normal playing area.
- backgrounded — Simple past tense and past participle of background.
- backgrounder — A backgrounder is a short article in a newspaper or magazine that provides background information about a particular subject.
- backswordman — a person who uses a backsword.
- backwoodsman — Backwoodsmen are people, especially politicians, who like the old ways of doing things, or who are involved in an organization at a local level.
- backwoodsmen — Plural form of backwoodsman.
- bacteriocide — Alternative form of bactericide.
- bad scran to — bad luck to
- baden-powell — Robert Stephenson Smyth (smɪθ, smaɪθ), 1st Baron Baden-Powell. 1857–1941, British general, noted for his defence of Mafeking (1899–1900) in the Boer War; founder of the Boy Scouts (1908) and (with his sister Agnes) the Girl Guides (1910)
- 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
- baked potato — a large potato baked in its skin
- baklava code — (humour, programming) Code with too many layers. Also known as Lasagne Code.
- 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
- band of hope — a society promoting lifelong abstention from alcohol among young people: founded in Britain in 1847