12-letter words containing o, b, t, a
- bean sprouts — the sprouts of newly germinated mung beans, eaten as a vegetable, esp in Chinese dishes
- bean-shooter — peashooter.
- beardtongues — Plural form of beardtongue.
- beat up (on) — to give a beating to; thrash
- beaufort sea — part of the Arctic Ocean off the N coast of North America
- beaumontague — a cement-like substance used to fill in and hide cracks and holes in woodwork and metalwork
- beauty salon — A beauty salon is the same as a beauty parlour.
- beaver cloth — beaver1 (def 8).
- below stairs — People sometimes use below stairs to refer to the servants in a rich household and the things that are connected with them.
- beta blocker — A beta blocker is a drug which is used to treat people who have high blood pressure or heart problems.
- beta orionis — Rigel
- beta version — beta testing
- beta-blocker — any of various substances that interfere with the action of the beta receptors: used primarily to reduce the heart rate or force in the prevention, management, or treatment of angina, hypertension, or arrythmias.
- betacarotene — the most important form of the plant pigment carotene, which occurs in milk, vegetables, and other foods and, when eaten by man and animals, is converted in the body to vitamin A
- betanaphthol — a colorless, crystalline isomer of naphthol, C10H8O, used as an antiseptic and parasiticide
- bibliothecal — relating to a bibliotheca
- bicollateral — (of a vascular bundle) having two phloem groups to the inside and outside, respectively, of the xylem
- bifunctional — having two functions
- binocularity — binocular characteristics
- bioacoustics — the study of animals' use of sound
- bioastronomy — the branch of biology which deals with the study or the discovery of life forms on other planets or in space
- biomagnetics — the study of magnetic fields as a form of therapy
- biomagnetism — animal magnetism.
- biometrician — a person who is knowledgeable about biometry
- biosatellite — an artificial satellite for carrying living organisms
- biotechnical — relating to biotechnology
- bioturbation — the stirring of sediment by organisms
- bipropellant — a rocket propellant consisting of two substances, usually a fuel and an oxidizer
- birthday boy — the boy or man whose birthday is being celebrated
- bitter aloes — a bitter purgative drug made from the leaves of several species of aloe
- blabbermouth — a person who talks too much or indiscreetly
- black bottom — a dance of the late 1920s that originated in America, involving a sinuous rotation of the hips
- black forest — wooded mountain region in SW Germany
- black locust — Also called false acacia, yellow locust. a North American tree, Robinia pseudoacacia, of the legume family, having pinnate leaves and clusters of fragrant white flowers.
- black sapote — a tropical American tree, Diospyros digyna, related to the persimmon, having sweet, edible, green fruit that turns black when ripe.
- black scoter — a scoter of Eurasia and North America, Melanitta nigra, the adult male of which is black.
- black tongue — canine pellagra.
- black-coated — (esp formerly) (of a worker) clerical or professional, as distinguished from commercial or industrial
- blanket roll — a blanket or sleeping bag rolled into a cylindrical pack for easy carrying and outdoor use by hikers, soldiers, cowboys, etc., often with cooking utensils, food, and personal articles carried inside.
- blanket toss — a game in which a person is repeatedly tossed into the air and caught on an open blanket by a group of people who hold the blanket at its edges and stretch and relax it for each toss and catch.
- blastocoelic — of or relating to the blastocoel
- blastomycete — any of a genus (Blastomyces) of yeastlike imperfect fungi that cause diseases in people and animals
- blastosphere — blastula
- blastulation — the process of blastula formation
- bletheration — nonsense!
- block heater — an electrically operated immersion heater fitted either to enter the water hose or the water jacket surrounding the cylinder block of a motor to warm the coolant in cold weather.
- bloodstained — Someone or something that is bloodstained is covered with blood.
- blotting-pad — an object to one side of which a piece of blotting paper is attached for blotting text handwritten in ink
- boar-hunting — the practice of hunting wild boars
- board shorts — shorts with longer legs, originally meant to protect a surfer's legs against the surfboard