15-letter words containing c, o, s, i
- atherosclerotic — Of, pertaining to, or afflicted with atherosclerosis.
- athletic sports — sports, esp track and field events, in which athleticism is required
- atlantic salmon — a valuable food and game fish, Salmo salar, mainly of northern coastal Atlantic waters or, when spawning, in freshwater streams tributary to the ocean.
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- audubon society — a North American organization devoted to the conservancy of birds
- authentications — Plural form of authentication.
- autocannibalism — The eating of part of one's own body.
- autodestructive — likely to cause one's own destruction
- autodidacticism — any self-directed learning or self-education
- automatic focus — a system in a camera which automatically adjusts the lens so that the object being photographed is in focus, often one using infrared light to estimate the distance of the object from the camera
- autoschediastic — offhand, with little forethought or preparation
- bacterial ghost — a bacterial cell that is emptied and filled artificially with another substance
- bacteriophagous — Pertaining to the predation and consumption of bacterium.
- barbizon school — a group of French painters of landscapes of the 1840s, including Théodore Rousseau, Daubigny, Diaz, Corot, and Millet
- barn conversion — the adaptation of a farm barn into a building serving a different use, such as a house or commercial premises
- basic autocoder — Early system on IBM 7070. Listed in CACM 2(5):16 (May 1959).
- basic education — (in India) education in which all teaching is correlated with the learning of a craft
- basidiomycetous — belonging or pertaining to the basidiomycetes.
- bathing costume — A bathing costume is a piece of clothing that is worn for swimming, especially by women and girls.
- bear comparison — to be sufficiently similar in class or range to be compared with (something else), esp favourably
- benefit society — an organization which, by means of dues, secures for its members certain benefits, such as life insurance, hospitalization, etc.
- bergius process — a method of hydrogenation formerly used with coal to produce an oil similar to petroleum.
- bessel function — one of several transcendental functions, usually represented as power series, that are solutions to a group of related differential equations.
- beta conversion — (theory) A term from lambda-calculus for beta reduction or beta abstraction.
- bioastronautics — the study of the effects of space flight on living organisms
- biodestructible — biodegradable
- biogasification — the conversion of organic matter into biogas.
- biogeochemistry — the science of biological, chemical, and geological aspects of the environment
- bioluminescence — the production of light by living organisms as a result of the oxidation of a light-producing substance (luciferin) by the enzyme luciferase: occurs in many marine organisms, insects such as the firefly, etc
- biopsychologist — a field of psychology that deals with the effects of biological factors on behavior.
- biostatistician — someone who studies or works professionally in the field of biostatistics
- biscuit tortoni — an individual portion of tortoni, frozen and served in a small cup, often topped with ground almonds.
- bishop auckland — a town in N England, in central Durham: seat of the bishops of Durham since the 12th century: light industries. Pop: 24 764 (2001)
- bits per second — (communications, unit) (bps, b/s) The unit in which data rate is measured. For example, a modem's data rate is usually measured in kilobits per second. In 1996, the maximum modem speed for use on the PSTN was 33.6 kbps, rising to 56 kbps in 1997. Note that kilo- (k), mega- (M), etc. in data rates denote powers of 1000, not 1024.
- bituminous coal — a soft black coal, rich in volatile hydrocarbons, that burns with a smoky yellow flame. Fixed carbon content: 46–86 per cent; calorific value: 1.93 × 107 – 3.63 × 107 J/kg
- black mountains — a mountain range running from N Monmouthshire and SE Powys (Wales) to SW Herefordshire (England). Highest peak: Waun Fach, 811 m (2660 ft)
- blast injection — the injection of liquid fuel directly into the cylinder of an internal-combustion engine using a blast of high-pressure air to atomize the spray of fuel
- boa constrictor — A boa constrictor is a large snake that kills animals by wrapping itself round their bodies and squeezing them to death. Boa constrictors are found mainly in South and Central America and the West Indies.
- boarding school — A boarding school is a school which some or all of the pupils live in during the school term. Compare day school.
- booster cushion — an extra seat or cushion placed on an existing seat for a child to sit on in a car
- borderline case — a person or thing that is not clearly classifiable as something
- borscht circuit — summer resort hotels in the Catskills and White Mountains, where entertainment is provided for the guests
- bourbon biscuit — a rich chocolate-flavoured biscuit with a chocolate-cream filling
- boustrophedonic — of or relating to lines written in opposite directions
- brachistochrone — the curve between two points through which a body moves under the force of gravity in a shorter time than for any other curve; the path of quickest descent
- branchiostegous — branchiostegal.
- bristol channel — an inlet of the Atlantic, between S Wales and SW England, merging into the Severn estuary. Length: about 137 km (85 miles)
- british council — an organization founded (1934) to extend the influence of British culture and education throughout the world
- british telecom — the popular name for British Telecommunications Group plc, the dominant fixed line telecommunications and broadband internet provider in the United Kingdom
- broca's 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.