12-letter words containing c, a, g, o
- antipoaching — acting against or opposed to poaching
- aortographic — relating to an aortography or aortography
- apagogically — in an apagogical manner
- apothegmatic — Relating to, or in the manner of, an apothegm; sententious; pithy.
- archaeologic — Pertaining to archaeology.
- archegoniate — having archegonia
- archeologist — archaeology.
- archipelagos — Plural form of archipelago.
- argillaceous — (of sedimentary rocks and deposits) composed of very fine-grained material, such as clay, shale, etc
- astacologist — a person who investigates and analyses crayfish
- astigmoscope — astigmatoscope.
- astrological — the study that assumes and attempts to interpret the influence of the heavenly bodies on human affairs.
- atheological — having an aversion or resistance to theology
- audiological — Of, or pertaining to, audiology, or the study of hearing.
- autochangers — Plural form of autochanger.
- back catalog — A musical performer's back catalog is the music that they recorded and released in the past rather than their latest recordings.
- 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.
- backgrounded — Simple past tense and past participle of background.
- backgrounder — A backgrounder is a short article in a newspaper or magazine that provides background information about a particular subject.
- backstopping — a wall, wire screen, or the like, serving to prevent a ball from going too far beyond the normal playing area.
- bacteriology — Bacteriology is the science and the study of bacteria.
- barcalounger — a type of reclinable armchair with an extendable footrest
- barge couple — either of a pair of outside rafters along the gable end of a roof
- barge course — the overhang of the gable end of a roof
- baton charge — A baton charge is an attacking forward movement made by a large group of policemen carrying batons.
- battological — tending to repeat words unnecessarily
- beachcombing — The action of a beachcomber.
- beacon light — a light signal for shipping
- bingo caller — the person who shouts out the numbers to bingo players
- 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).
- biologically — pertaining to biology.
- biomagnetics — the study of magnetic fields as a form of therapy
- black grouse — a large N European grouse, Lyrurus tetrix, the male of which has a bluish-black plumage and lyre-shaped tail
- black tongue — canine pellagra.
- 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.
- boghead coal — compact bituminous coal that burns brightly and yields large quantities of tar and oil upon distillation.
- bombe glacée — a dessert of ice cream lined or filled with custard, cake crumbs, etc
- bound charge — any electric charge that is bound to an atom or molecule (opposed to free charge).
- boxing match — a competition between two boxers
- braggadocios — empty boasting; bragging.
- bring action — to start a lawsuit
- broadcasting — Broadcasting is the making and sending out of television and radio programmes.
- buccolingual — of or relating to the cheek and tongue.
- cabbage moth — a common brownish noctuid moth, Mamestra brassicae, the larva of which is destructive of cabbages and other plants
- cabbage rose — a rose, Rosa centifolia, with a round compact full-petalled head
- cabriole leg — a type of furniture leg, popular in the first half of the 18th century, in which an upper convex curve descends tapering to a concave curve
- 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