12-letter words containing a, n, g, i, o
- automobiling — (dated) present participle of automobile.
- babingtonite — a rare, slightly magnetic, black or dark green silicate mineral, Ca2Fe2Si5O14OH, found in cavities in volcanic rock
- back molding — a molding, as a backband, applied to interior window and door trim to conceal the edge of the wall surface.
- backcrossing — (genetics) The crossing of a hybrid with one of its parents or an individual genetically similar to its parent.
- backstopping — a wall, wire screen, or the like, serving to prevent a ball from going too far beyond the normal playing area.
- barking frog — a robber frog, Hylactophryne augusti, of Texas, New Mexico, and Mexico, having a call like a dog's bark.
- barnstorming — A barnstorming performance is full of energy and very exciting to watch.
- basing point — a geographical location from which freight charges are computed by the seller regardless of the point from which the goods are shipped.
- bastinadoing — Present participle of bastinado.
- beachcombing — The action of a beachcomber.
- beacon light — a light signal for shipping
- bead molding — bead (def 12).
- bearing down — to hold up; support: to bear the weight of the roof.
- bingo caller — the person who shouts out the numbers to bingo players
- bio-organism — a dangerous fast-proliferating organism that could be used as the basis of a biological weapon
- 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.
- block caving — a method of mining a large block of ore by systematically undercutting so the ore will cave. Compare cave (def 5a).
- block signal — a fixed railroad signal governing the movements of trains entering and using a given section of track.
- 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
- boarding out — the local-authority practice of placing a client in a foster family or voluntary establishment and paying for it
- boardsailing — windsurfing
- boatbuilding — Boatbuilding is the craft or industry of making boats.
- boating lake — a lake in a park where rowing boats can be hired
- boating trip — a trip or holiday in a boat such as a sailing boat or canal boat
- bodyboarding — the sport of surfing using a bodyboard
- boilermaking — metal-working in heavy industry; plating or welding
- bond washing — a series of deals in bonds made with the intention of avoiding taxation
- boolean ring — a nonempty collection of sets having the properties that the union of two sets of the collection is a set in the collection and that the relative complement of each set with respect to any other set is in the collection.
- boomeranging — a bent or curved piece of tough wood used by the Australian Aborigines as a throwing club, one form of which can be thrown so as to return to the thrower.
- 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.
- bougainville — an island in the W Pacific, in Papua New Guinea: the largest of the Solomon Islands: unilaterally declared independence in 1990; occupied by government troops in 1992, and granted autonomy in 2001. Chief town: Kieta. Area: 10 049 sq km (3880 sq miles)
- boulangerite — a bluish lead-gray mineral, lead antimony sulfide, Pb 5 Sb 4 S 11 , a minor ore of lead.
- bowling ball — a round, heavy ball for bowling, usually made of hard rubber or plastic, with holes drilled into it for the bowler's thumb and two fingers.
- box magazine — a rectangular cartridge holder in a submachine or light machine gun.
- boxing match — a competition between two boxers
- bring action — to start a lawsuit
- bring around — If you bring someone around when they are unconscious, you make them become conscious again.
- bring to bay — to force into a position from which retreat is impossible
- broadcasting — Broadcasting is the making and sending out of television and radio programmes.
- brown bag it — to bring (one's own liquor) to a restaurant or club, especially one that has no liquor license.
- buccolingual — of or relating to the cheek and tongue.
- caenogenesis — the development of structures and organs in an embryo or larva that are adaptations to its way of life and are not retained in the adult form
- caliginosity — darkness
- camouflaging — Present participle of camouflage.
- camphorating — Present participle of camphorate.
- canyoneering — (US) Canyoning, a hybrid outdoor sport involving the traversal of river canyons.