13-letter words containing os
- ballistospore — a spore, esp a fungal spore, that is forcefully ejected from its source
- banderilleros — Plural form of banderillero.
- barbados aloe — a tropical aloe, Aloe barbadensis (or A. vera), of the lily family, having clusters of yellow flowers: its juice is used medicinally.
- barbarossa ii — (Khair ed-Din) c1466–1546, Barbary pirate, born in Greece (brother of Barbarossa I).
- barosinusitis — aerosinusitis.
- base hospital — a hospital serving a large rural area
- baseline cost — the projected cost for an undertaking at the time it is budgeted
- basidiospores — Plural form of basidiospore.
- bill of costs — a statement of the total costs that are the responsibility of a party to a suit or action
- biospeleology — the study of organisms that live in caves.
- biostatistics — the use of statistics to analyse biological data
- biosystematic — relating to biosystematics
- blastomycosis — a fungal infection particularly affecting the lungs
- 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
- blood glucose — Blood glucose is glucose (= a type of sugar) in the bloodstream.
- blue asbestos — a common name for the mineral crocidolite, a variety of asbestos found in Africa and Australia
- blue grosbeak — a grosbeak, Guiraca caerulea, of the U.S., Mexico, and Central America, the male of which is blue with two rusty bars on each wing.
- bomb disposal — Bomb disposal is the job of dealing with bombs which have not exploded, by taking out the fuse or by blowing them up in a controlled explosion.
- booster cable — either of a pair of electric cables having clamps at each end and used for starting the engine of a vehicle whose battery is dead.
- bosch process — an industrial process for manufacturing hydrogen by the catalytic reduction of steam with carbon monoxide
- bosman ruling — an EU ruling that allows out-of-contract footballers to leave their clubs without the clubs receiving a transfer fee
- boston matrix — a two-dimensional matrix, used in planning the business strategy of a large organization, that identifies those business units in the organization that generate cash and those that use it
- boston rocker — a type of 19th-cent. American rocking chair, having a curved wooden seat and a high back formed of spindles held in place by a broad headpiece
- botryomycosis — a disease, usually of horses, caused by a bacterial infection (usually, Staphylococcus aureus) producing tumorous growths esp. after castration or a wound or injury
- boutros-ghali — ˈBoutros (ˈbutroʊs ) ; bo̅oˈtrōs) 1922- ; Egypt. diplomat: secretary-general of the United Nations (1992-96)
- brachiosaurus — a dinosaur of the genus Brachiosaurus, up to 30 metres long: the largest land animal ever known
- brevirostrate — having a short beak or bill
- calvary cross — a Latin cross with a representation of three steps beneath it
- cellulose-gum — a white, water-soluble polymer derived from cellulose, used as a coating and sizing for paper and textiles, a stabilizer for various foods, and an appetite suppressor.
- centrosomally — In a centrosomal way.
- cephalosporin — any of a group of broad-spectrum antibiotics obtained from fungi of the genus Cephalosporium
- cerebrospinal — of or relating to the brain and spinal cord
- chalcostibite — a mineral, antimony copper sulfide, CuSbS 2 , occurring in lead-gray crystals.
- charing cross — a district of London, in the city of Westminster: the modern cross (1863) in front of Charing Cross railway station replaces the one erected by Edward I (1290), the last of twelve marking the route of the funeral procession of his queen, Eleanor
- cheiloschisis — Cleft lip.
- chemosurgical — of or relating to chemosurgery
- cherokee rose — an evergreen climbing Chinese rose, Rosa laevigata, that now grows wild in the southern US, having large white fragrant flowers
- chiaroscurist — A painter who uses light and shade rather than colour to create the illusion of volume.
- chlamydospore — a thick-walled asexual spore of many fungi: capable of surviving adverse conditions
- chosen people — any of various peoples believing themselves to be chosen by God, esp the Jews
- chromhidrosis — the secretion of pigmented sweat.
- chromosomally — With reference to chromosomes.
- chromospheres — Plural form of chromosphere.
- chromospheric — Of or pertaining to the chromosphere.
- climbing rose — any of various roses that ascend and cover a trellis, arbor, etc., chiefly by twining about the supports.
- close at hand — lying in the near future or vicinity; nearby or imminent.
- close company — a company under the control of its directors or fewer than five independent participants
- close harmony — a type of singing in which all the parts except the bass lie close together and are confined to the compass of a tenth
- close to home — affecting sb personally
- close-at-hand — lying in the near future or vicinity; nearby or imminent.