12-letter words containing o, d, r, i
- antiperiodic — efficacious against recurring attacks of a disease
- antipredator — discouraging or protecting against predators
- aperiodicity — not periodic; irregular.
- aphrodisiacs — Plural form of aphrodisiac.
- apostle bird — a gregarious grey-and-brown Australian nest-building bird, Struthidea cinerea
- appropriated — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- approximated — near or approaching a certain state, condition, goal, or standard.
- 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.
- 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.
- astrodynamic — Pertaining to astrodynamics.
- auctioneered — Simple past tense and past participle of auctioneer.
- auditorially — Anatomy, Physiology. pertaining to hearing, to the sense of hearing, or to the organs of hearing.
- autodiallers — Plural form of autodialler.
- bacteriocide — Alternative form of bactericide.
- banderillero — a bullfighter's assistant who sticks banderillas into the bull
- 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
- bearing down — to hold up; support: to bear the weight of the roof.
- bedfordshire — a county of S central England, administered since 2009 by the unitary authorities of Bedford and Central Bedfordshire: mainly low-lying, with the Chiltern Hills in the south: the geographical county includes Luton, which became a separate unitary authority in 1997. Area (excluding Luton): 1192 sq km (460 sq miles)
- beyond price — invaluable or priceless
- biodiversity — Biodiversity is the existence of a wide variety of plant and animal species living in their natural environment.
- biohazardous — a pathogen, especially one used in or produced by biological research.
- bird colonel — a full colonel in the US Army
- bird of prey — A bird of prey is a bird such as an eagle or a hawk that kills and eats other birds and animals.
- bird's mouth — a right-angled notch cut in the underside of a rafter for fitting over a longitudinal member, as a wall plate.
- bird-dogging — to follow, watch carefully, or investigate.
- bird-spotter — a bird-watcher
- birthday boy — the boy or man whose birthday is being celebrated
- blind corner — a corner where the view of the road ahead is completely obscured or very restricted
- blind roller — a long ocean swell that rises almost to breaking as it passes over shoals.
- blood sister — a sister by birth
- bloodthirsty — Bloodthirsty people are eager to use violence or display a strong interest in violent things. You can also use bloodthirsty to refer to very violent situations.
- bloody shirt — something, as a political issue or historical event, that can be used to stir up outrage, partisan support, etc.
- 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
- bodyboarding — the sport of surfing using a bodyboard
- boiled shirt — a dress shirt with a stiff front
- bois de rose — a grayish red or dark purplish red color.
- bonding wire — A bonding wire is a wire connecting two pieces of equipment, often for hazard prevention.
- boogie board — a small, flexible plastic surfboard, ridden lying down.
- border light — a striplight hung upstage of a border, for lighting the stage.
- 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.