10-letter words containing a, b, o, r
- bergamasko — an inhabitant of Bergamo
- bernadotte — Folke (ˈfɔlke), Count. 1895–1948, Swedish diplomat, noted for his work with the Red Cross during World War II and as United Nations mediator in Palestine (1948). He was assassinated by Jewish terrorists
- betancourt — Rómulo [rom-yuh-loh;; Spanish raw-moo-law] /ˈrɒm yəˌloʊ;; Spanish ˈrɔ muˌlɔ/ (Show IPA), 1908–81, Venezuelan journalist and political leader: president of Venezuela 1945–48 and 1959–64.
- betrothals — the act or state of being betrothed; engagement.
- bichromate — dichromate
- bicornuate — Botany, Zoology. having two horns or hornlike parts.
- bicorporal — having two bodies, main divisions, symbols, etc.
- bingo card — a prepaid postcard inserted in a magazine by its publisher to enable a reader to order free information about advertised products.
- binoculars — Binoculars consist of two small telescopes joined together side by side, which you look through in order to look at things that are a long way away.
- biodegrade — to decompose (something)
- biographee — a person whose biography has been written
- biographer — Someone's biographer is a person who writes an account of their life.
- biographic — of or relating to a person's life: He's gathering biographical data for his book on Milton.
- bioorganic — pertaining to the composition and biological activity of carbon-based compounds, especially those of laboratory rather than biogenic origin (contrasted with bioinorganic).
- bioprivacy — the state of freedom from others having unauthorized access to biometric data about oneself
- bioreactor — a machine for growing organisms
- bioreagent — a reagent of biological origin, such as an enzyme
- biotherapy — the treatment of disease by means of substances, as serums, vaccines, penicillin, etc., secreted by or derived from living organisms
- biowarfare — biological warfare.
- bipolarity — having two poles, as the earth.
- bipolarize — to make bipolar
- birostrate — having two beaks or beak-like projections
- blackamoor — a Black African or other person with dark skin
- blackboard — A blackboard is a dark-coloured board that you can write on with chalk. Blackboards are often used by teachers in the classroom.
- blackthorn — a thorny Eurasian rosaceous shrub, Prunus spinosa, with black twigs, white flowers, and small sour plumlike fruits
- bladderpod — any of several plants belonging to the genera Alyssoides and Lesquerella, of the mustard family, having inflated seed pods.
- blamestorm — (of colleagues in a business, government, etc) to meet in order to apportion blame for an error or failure
- blastoderm — the layer of cells that surrounds the blastocoel of a blastula
- blastomere — any of the cells formed by cleavage of a fertilized egg
- blastopore — the opening of the archenteron in the gastrula that develops into the anus of some animals
- blockboard — a type of plywood in which soft wood strips are bonded together and sandwiched between two layers of veneer
- bloggerati — those considered to be important or influential in the world of blogging
- blogstream — the publication on the internet of content from weblogs rather than from mainstream media sources
- blue coral — any coral of the genus Heliopora, having brown polyps and a blue skeleton, found in the Indo-Pacific region.
- bluethroat — a small brownish European songbird, Cyanosylvia svecica, related to the thrushes, the male of which has a blue throat: family Muscicapidae
- board foot — a unit of board measure: the cubic content of a piece of wood one foot square and one inch thick
- board game — A board game is a game such as chess or backgammon, which people play by moving small objects around on a board.
- board rule — a measuring device for estimating the number of board feet in a quantity of wood
- board side — the broad side of a piece of lumber.
- boarded-up — with windows and doors covered with boards for security
- boat drill — practice in launching the lifeboats and taking off the passengers and crew of a ship
- boat train — A boat train is a train that takes you to or from a port.
- boatwright — a craftsman who builds wooden boats.
- boca raton — city in SE Fla., near Fort Lauderdale: pop. 75,000
- body armor — Body armor is special protective clothing that people such as soldiers and police officers sometimes wear when they are in danger of being attacked with guns or other weapons.
- body track — the tracks of a railroad yard used for switching or sorting cars.
- bodyshaper — an undergarment which flattens the stomach, bottom etc
- bohmerwald — German name of Bohemian Forest.
- bois d'arc — Osage orange (def 1).
- boisbriand — a town in S Quebec, in E Canada, near Montreal.