13-letter words containing p, a, r, o
- basidiospores — Plural form of basidiospore.
- bass response — the response of an audio reproduction system or component to low frequencies
- batch-process — to perform batch processing on (files)
- beast of prey — any animal that hunts other animals for food
- beauty parlor — A beauty parlor is a place where women can go to have beauty treatments, for example, to have their hair, nails, or makeup done.
- beta receptor — a receptor, found on the surface of some cells of the sympathetic nervous system, that is stimulated by certain adrenergic substances: such stimulation results in certain physiological responses, such as acceleration of the action of the heart and dilatation of the arteries supplying heart and skeletal muscles
- beta-receptor — a site on a cell, as of the heart, that, upon interaction with epinephrine or norepinephrine, controls heartbeat and heart contractability, vasodilation, smooth muscle inhibition, and other physiological processes.
- bibliographer — an expert in bibliography
- bibliographic — a complete or selective list of works compiled upon some common principle, as authorship, subject, place of publication, or printer.
- bibliotherapy — the use of reading as therapy
- binary weapon — a chemical weapon consisting of a projectile containing two substances separately that mix to produce a lethal agent when the projectile is fired
- bio-autograph — an analytical technique in which organic compounds are separated by chromatography and identified by studying their effects on microorganisms.
- bioautography — an analytical technique in which organic compounds are separated by chromatography and identified by studying their effects on microorganisms.
- biogeographer — a person who is knowledgeable about biogeography
- bird of peace — a dove.
- blepharoplast — a cylindrical cytoplasmic body in protozoa
- blepharospasm — spasm of the muscle of the eyelids, causing the eyes to shut tightly, either as a response to painful stimuli or occurring as a form of dystonia
- blow an eprom — /bloh *n ee'prom/ (Or "blast", "burn") To program a read-only memory, e.g. for use with an embedded system. This term arose because the programming process for the Programmable Read-Only Memory (PROM) that preceded present-day Erasable Programmable Read-Only Memory (EPROM) involved intentionally blowing tiny electrical fuses on the chip. The usage lives on (it's too vivid and expressive to discard) even though the write process on EPROMs is nondestructive.
- blue copperas — a salt, copper sulfate, CuSO 4 ⋅5H 2 O, occurring naturally as large transparent, deep-blue triclinic crystals, appearing in its anhydrous state as a white powder: used chiefly as a mordant, insecticide, fungicide, and in engraving.
- boarding pass — A boarding pass is a card that a passenger must have when boarding a plane or a boat.
- boardroom pay — the salaries and bonuses given to the directors of a company
- booby-trapped — (of a building, vehicle, etc) planted with a booby trap
- boom operator — a person who operates a boom
- border patrol — a government agency in charge of preventing terrorists, weapons, and illegal immigrants entering the country
- boundary peak — a peak in SW Nevada, in the White Mountains, near the California border: highest elevation in Nevada. 13,143 feet (4006 meters).
- brachypterous — having very short or incompletely developed wings
- braking power — the ability of a braking system to cause a vehicle to come to a halt
- breast pocket — The breast pocket of a man's coat or jacket is a pocket, usually on the inside, next to his chest.
- bring to pass — to cause to happen
- broca-aphasia — a type of aphasia caused by a lesion in Broca's area of the brain, characterized by misarticulated speech and lack of grammatical morphemes.
- bromide paper — a type of photographic paper coated with an emulsion of silver bromide usually containing a small quantity of silver iodide
- bronchography — radiography of the bronchial tubes after the introduction of a radiopaque medium into the bronchi
- brook lamprey — a jawless fish, Lampetra planeri, native to the European part of the Atlantic Ocean and the northwest Mediterranean
- brooklyn park — city in SE Minn.: suburb of Minneapolis: pop. 67,000
- burglar-proof — designed to be secure and to frustrate any attempted burglary
- by reputation — If you know someone by reputation, you have never met them but you have heard of their reputation.
- c corporation — A C corporation is a type of corporation which is taxed on its income.
- cacodyl group — the univalent group (CH 3) 2 As−, derived from arsine.
- cacographical — Synonym of cacographic.
- caesaropapism — the theory that the state should have authority over the church in ecclesiastical matters; Erastianism
- camerapersons — Plural form of cameraperson.
- camp fire boy — a boy who is a member of the Campfire Boys and Girls. Compare Camp Fire Girl.
- camp follower — If you describe someone as a camp follower, you mean that they do not officially belong to a particular group or movement but support it for their own advantage.
- campaniliform — Alternative form of campaniform.
- camphoraceous — similar to camphor
- campylobacter — a rod-shaped bacterium that causes infections in cattle and man. Unpasteurized milk infected with campylobacter is a common cause of gastroenteritis
- cancerophobia — a morbid dread of being afflicted by cancer
- cape coloured — (formerly, in South Africa) a racial classification under apartheid for people of mixed ethnic origin
- cape marigold — any composite plant of the genus Dimorphotheca, having variously colored, daisylike flowers.
- cape province — a former province of S South Africa; replaced in 1994 by the new provinces of Northern Cape, Western Cape, Eastern Cape and part of North-West. Capital: Cape Town