12-letter words containing g, i, r, o
- apportioning — Present participle of apportion.
- apron string — a string for tying an apron on
- archaeologic — Pertaining to archaeology.
- archegoniate — having archegonia
- archeologist — archaeology.
- archipelagos — Plural form of archipelago.
- area bombing — aerial bombing in which bombs are dropped over the general area of a target.
- argillaceous — (of sedimentary rocks and deposits) composed of very fine-grained material, such as clay, shale, etc
- arpeggiation — the writing, playing or singing of arpeggios
- arsino group — the univalent group H 2 As−.
- arteriograms — Plural form of arteriogram.
- astigmometer — an apparatus for measuring the degree of astigmatism.
- astrobiology — the branch of biology that investigates the possibility of life elsewhere in the universe
- astrological — the study that assumes and attempts to interpret the influence of the heavenly bodies on human affairs.
- astroturfing — a PR tactic used in politics and advertising in which actors are paid to display overt and apparently spontaneous grassroots support for a particular product, policy, or event
- autographing — Present participle of autograph.
- backcrossing — (genetics) The crossing of a hybrid with one of its parents or an individual genetically similar to its parent.
- bacteriology — Bacteriology is the science and the study of bacteria.
- 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.
- bearing down — to hold up; support: to bear the weight of the roof.
- bibliography — A bibliography is a list of books on a particular subject.
- 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
- biogeography — the branch of biology concerned with the geographical distribution of plants and animals
- biographical — Biographical facts, notes, or details are concerned with the events in someone's life.
- bioinorganic — pertaining to the biological activity of metal complexes and nonmetal compounds based on elements other than carbon (contrasted with bioorganic).
- bird-dogging — to follow, watch carefully, or investigate.
- 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
- 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
- bog-iron ore — a deposit of impure limonite formed in low, wet areas.
- bognor regis — a resort in S England, in West Sussex on the English Channel: electronics industries. Regis was added to the name after King George V's convalescence there in 1929. Pop: 62 141 (2001)
- bogon filter — /boh'gon fil'tr/ Any device, software or hardware, that limits or suppresses the flow and/or emission of bogons. "Engineering hacked a bogon filter between the Cray and the VAXen, and now we're getting fewer dropped packets." See also bogosity.
- boilermaking — metal-working in heavy industry; plating or welding
- bolt upright — If someone is sitting or standing bolt upright, they are sitting or standing very straight.
- bonding wire — A bonding wire is a wire connecting two pieces of equipment, often for hazard prevention.
- boogie board — a small, flexible plastic surfboard, ridden lying down.
- book burning — the destruction of writings of which the subject, the view of the author, or the like is considered politically or socially objectionable: used as a means of censorship or oppression.
- bookcrossing — the practice of deliberately leaving books in places where they will be found and read by other people
- booking form — a form used to book a holiday, accommodation, etc
- 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.
- border light — a striplight hung upstage of a border, for lighting the stage.
- 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.
- boulangerite — a bluish lead-gray mineral, lead antimony sulfide, Pb 5 Sb 4 S 11 , a minor ore of lead.
- bourgeoisify — to convert to a bourgeois attitude or appearance
- bowdlerizing — to expurgate (a written work) by removing or modifying passages considered vulgar or objectionable.