15-letter words containing a, r, g, o
- biostratigraphy — the examination of the ages of rock strata by using fossils
- bird of passage — If you refer to someone as a bird of passage, you mean that they are staying in a place for a short time before going to another place.
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- blenheim orange — a type of apple tree bearing gold-coloured apples
- boarding school — A boarding school is a school which some or all of the pupils live in during the school term. Compare day school.
- body toning bar — a weighted exercise bar made of steel encased in a layer of foam, used for toning and strength training.
- bookmaking firm — an organization that accepts bets from gamblers and pays out winnings
- boolean algebra — a system of symbolic logic devised by George Boole to codify logical operations. It is used in computers
- boston marriage — (especially in 19th-century New England) an intimate friendship between two women often maintaining a household together.
- branchiostegous — branchiostegal.
- break-out group — a group of people who detach themselves from a larger group or meeting in order to hold separate discussions
- breaking plough — a plough with a long shallow mouldboard for turning virgin land or sod land
- breeding season — the time of year during which animals breed
- bring to a head — to bring or be brought to a crisis
- bronzed grackle — the western subspecies of the American bird, the common grackle, Quiscalus quiscula versicolor, having bronzy, iridescent plumage.
- bughouse square — Informal. any intersection or park mall in a big city where political zealots, agitators, folk evangelists, etc., congregate to argue and make soapbox speeches.
- button mangrove — a tropical tree, Conocarpus erectus, having small, reddish, conelike fruits and bark used in tanning.
- cairngorm-stone — smoky quartz.
- california gull — a large gull, Larus californicus, of the western U.S.
- call for margin — a demand made by a stockbroker for partial payment of a client's debt due to decreasing value of the collateral
- call forwarding — a telephone service that allows incoming calls to be transferred automatically to another number or extension
- call-out charge — a set amount charged for a repairman to come to one's house, or to a broken-down vehicle, which is added to the cost of the actual repair
- campaign ribbon — a distinctively colored ribbon, either on a small, narrow bar or in the form of a strip, representing a military campaign participated in by the wearer.
- campaign worker — a person who carries out duties for a political candidate or party, esp before an election
- canning factory — a building or group of buildings containing a plant assembly where food is sealed in cans or tins to preserve it
- cape gooseberry — a tropical American solanaceous plant, Physalis peruviana, naturalized in southern Africa, having yellow flowers and edible yellow berries
- carcinogenicity — any substance or agent that tends to produce a cancer.
- catastrophising — Present participle of catastrophise.
- catastrophizing — Present participle of catastrophize.
- categoricalness — The quality of being categorical, positive, or absolute.
- categorisations — Plural form of categorisation.
- categorizations — Plural form of categorization.
- category killer — a person, product, or business that dominates a particular market
- central locking — a system by which all the doors of a motor vehicle can be locked simultaneously when the driver's door is locked
- centrifugal box — a revolving chamber, used in the spinning of manufactured filaments, in which the plastic fibers, subjected to centrifugal force, are slightly twisted and emerge in the form of yarn wound into the shape of a hollow cylinder.
- change of heart — a profound change of outlook, opinion, etc
- charles doughty — Charles Montagu [mon-tuh-gyoo] /ˈmɒn təˌgyu/ (Show IPA), 1843–1926, English traveler and writer.
- chaulmoogra oil — a brownish-yellow oil or soft fat expressed from the seeds of a chaulmoogra tree, used formerly in the treatment of leprosy and skin diseases.
- cholangiography — radiographic examination of the bile ducts after the introduction into them of a contrast medium
- cholinergically — in a cholinergic manner
- choral speaking — recitation of poetry, dramatic pieces, etc. by a chorus of speakers
- chromatographer — A person skilled in chromatography or who operates a chromatograph.
- chromatographic — (analytical chemistry) Of or pertaining to chromatography.
- chromoxylograph — a coloured print created from printing with wooden blocks
- chronologically — arranged in the order of time: a chronological list of events.
- cigarette smoke — the acrid smoke produced by cigarettes being smoked
- cineangiography — the use of motion-picture recording to trace the passage of dye through blood vessels, for the diagnosis of heart and blood vessel disease
- cinematographed — a motion-picture projector.
- cinematographer — A cinematographer is a person who decides what filming techniques should be used during the shooting of a film.
- cinematographic — a motion-picture projector.