10-letter words containing b, o, a
- blastocoel — the cavity within a blastula
- blastocyst — the blastula of mammals: a sphere of cells (trophoblast) enclosing an inner mass of cells and a fluid-filled cavity (blastocoel)
- blastoderm — the layer of cells that surrounds the blastocoel of a blastula
- blastodisc — the blastula that forms as a flattened sphere on top of the yolk in the yolk-laden eggs of birds and reptiles.
- blastodisk — germinal disk
- 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
- blazonings — heraldic adornments
- block coal — bituminous coal that breaks into large lumps or cubical blocks.
- block lava — volcanic lava occurring as rough-surfaced jagged blocks
- block mast — a short mast from the head of which a lateen yard is suspended.
- 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
- blood bank — A blood bank is a place where blood which has been taken from blood donors is stored until it is needed for people in hospital.
- blood bath — a killing of many people; massacre
- blood heat — Blood heat is a temperature of 37°C, which is about the same as the normal temperature of the human body.
- blood meal — the dried blood of animals used as a fertilizer, diet supplement for livestock, or deer repellent.
- bloodstain — A bloodstain is a mark on a surface caused by blood.
- bloviation — a lengthy but insubstantial speech
- 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
- boastfully — given to or characterized by boasting.
- boat drill — practice in launching the lifeboats and taking off the passengers and crew of a ship
- boat patch — an oval patch for plywood, terminating in a point at each end.
- boat shoes — shoes for wearing on board boats, often laced moccasins
- boat train — A boat train is a train that takes you to or from a port.
- boatwright — a craftsman who builds wooden boats.
- bobble hat — A bobble hat is a woollen hat with a bobble on it.
- bobblehead — a collectable doll with a bobbing oversized head representing a celebrity or a cartoon character
- bobby calf — an unweaned calf culled for slaughter
- boca raton — city in SE Fla., near Fort Lauderdale: pop. 75,000
- bode's law — an empirical rule relating the distances of the planets from the sun, based on the numerical sequence 0, 3, 6, 12, 24,…. Adding 4 to each number and dividing by 10 gives the sequence 0.4, 0.7, 1, 1.6, 2.8,…, which is a reasonable representation of distances in astronomical units for most planets if the minor planets are counted as a single entity at 2.8
- 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 image — an individual's concept of his or her own body
- body track — the tracks of a railroad yard used for switching or sorting cars.
- bodyshaper — an undergarment which flattens the stomach, bottom etc
- bog spavin — enlargement of the hock of a horse by accumulation in the joint, usually caused by inflammation or injury, and often resulting in lameness
- bohmerwald — German name of Bohemian Forest.
- bois d'arc — Osage orange (def 1).
- boisbriand — a town in S Quebec, in E Canada, near Montreal.
- boko haram — a militant and violent Islamic organization established in NE Nigeria in 2002 and also active in Niger, Chad, and Cameroon
- bolan pass — a mountain pass in W central Pakistan through the Brahui Range, between Sibi and Quetta, rising to 1800 m (5900 ft)
- bold-faced — confident or impudent
- bollandist — any of the editors of the Acta Sanctorum.