12-letter words containing a, b, o, n
- beardtongues — Plural form of beardtongue.
- bearing down — to hold up; support: to bear the weight of the roof.
- beat up (on) — to give a beating to; thrash
- 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.
- bed of nails — a situation or position of extreme difficulty
- benzal group — the bivalent group C 7 H 6 –, derived from benzaldehyde.
- benzoapyrene — a carcinogenic chemical in tobacco smoke
- benzoic acid — a white crystalline solid occurring in many natural resins, used in the manufacture of benzoates, plasticizers, and dyes and as a food preservative (E210). Formula: C6H5COOH
- beta orionis — Rigel
- beta version — beta testing
- 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
- beyond reach — inaccessible
- bibliomaniac — excessive fondness for acquiring and possessing books.
- bifunctional — having two functions
- bill and coo — the parts of a bird's jaws that are covered with a horny or leathery sheath; beak.
- binary color — secondary color.
- bingo caller — the person who shouts out the numbers to bingo players
- binocularity — binocular characteristics
- bio-organism — a dangerous fast-proliferating organism that could be used as the basis of a biological weapon
- bioastronomy — the branch of biology which deals with the study or the discovery of life forms on other planets or in space
- bioflavonoid — any of a group of biologically active flavone compounds that may help maintain the blood's capillary walls, reducing the likelihood of hemorrhaging: widely found in plants, esp. citrus fruits
- bioinorganic — pertaining to the biological activity of metal complexes and nonmetal compounds based on elements other than carbon (contrasted with bioorganic).
- biomagnetics — the study of magnetic fields as a form of therapy
- biomagnetism — animal magnetism.
- biomechanics — the study of the mechanics of the movement of living organisms
- biometrician — a person who is knowledgeable about biometry
- 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
- black bryony — a climbing herbaceous Eurasian plant, Tamus communis, having small greenish flowers and poisonous red berries: family Dioscoreaceae
- black canyon — a canyon of the Colorado River between Arizona and Nevada: site of Boulder Dam.
- black heroin — a very potent and addictive form of heroin that is dark-colored.
- black tongue — canine pellagra.
- 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.
- blastulation — the process of blastula formation
- blaze orange — a very bright orange, as on a traffic cone.
- blennorrhoea — an excessive discharge of watery mucus, esp from the urethra or the vagina
- bletheration — nonsense!
- block caving — a method of mining a large block of ore by systematically undercutting so the ore will cave. Compare cave (def 5a).
- block island — an island off the coast of and a part of Rhode Island, at the E entrance to Long Island Sound.
- block signal — a fixed railroad signal governing the movements of trains entering and using a given section of track.
- blood orange — a variety of orange all or part of the pulp of which is dark red when ripe
- blood spavin — a disease of the hock joint of horses in which enlargement occurs because of collected fluids (bog spavin) bony growth (bone spavin) or distention of the veins (blood spavin)
- bloodstained — Someone or something that is bloodstained is covered with blood.
- bloomingdale — a town in NE Illinois.
- 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