12-letter words containing o, s, p
- arsino group — the univalent group H 2 As−.
- arthroplasty — surgical repair of a diseased joint
- arthroscopes — Plural form of arthroscope.
- arthroscopic — the use of an arthroscope to diagnose an injury to or disease of a joint or to perform minor surgery on a joint.
- arthrospores — an isolated vegetative cell that has passed into a resting state, occurring in bacteria and not regarded as a true spore.
- aspect ratio — the ratio of width to height of the picture on a television or cinema screen
- asphalt rock — a rock formation, usually of limestone or sandstone, containing large amounts of bitumens.
- asphyxiation — Asphyxiation is a lack of oxygen in blood, which causes suffocation.
- aspirational — If you describe someone as aspirational, you mean that they have strong hopes of moving to a higher social status.
- assessorship — the occupation, post or duties of a person who assesses, advises, or estimates
- astigmoscope — astigmatoscope.
- astrocompass — a navigational instrument for giving directional bearings from the centre of the earth to a particular star. It is carried in long-range aircraft, ships, spacecraft, etc
- astrophysics — Astrophysics is the study of the physical and chemical structure of the stars, planets, and other natural objects in space.
- asymptomatic — If someone with a disease is asymptomatic, it means that they do not show any symptoms of the disease.
- asymptotical — of or relating to an asymptote.
- atmospherics — Atmospherics are elements in something such as a piece of music or a book which create a certain atmosphere.
- atmospherium — an optical system used to simulate images of atmospheric phenomena, as cloud formations, storms, and day and night, on the inside of a dome.
- attorneyship — The office or profession of an attorney.
- auspiciously — promising success; propitious; opportune; favorable: an auspicious occasion.
- australopith — (archaeology, anthropology, paleonotology) Of or pertaining to the extinct hominid primates, of the genus Australopithecus, from the Pleistocene period.
- autoexposure — A device that sets the exposure automatically on a camera or other piece of equipment.
- autohypnosis — the process or result of self-induced hypnosis
- automorphism — the practice of seeing others as having the same characteristics as oneself
- bachelorship — the state of being a bachelor; bachelorhood
- back-stopped — a wall, wire screen, or the like, serving to prevent a ball from going too far beyond the normal playing area.
- backstopping — a wall, wire screen, or the like, serving to prevent a ball from going too far beyond the normal playing area.
- bank deposit — money placed in a bank account
- barophoresis — the diffusion of suspended particles at a rate dependent on external forces
- basidiocarps — Plural form of basidiocarp.
- basidiospore — one of the spores, usually four in number, produced in a basidium
- basing point — a geographical location from which freight charges are computed by the seller regardless of the point from which the goods are shipped.
- bathophilous — (of an organism) living in very deep water
- beam compass — an instrument for drawing large circles or arcs, consisting of a horizontal beam along which two vertical legs slide
- bean sprouts — the sprouts of newly germinated mung beans, eaten as a vegetable, esp in Chinese dishes
- besom pocket — an interior pocket with edging or stitching around the opening.
- betting shop — A betting shop is a place where people can go to bet on something such as a horse race.
- bibliopegist — a bookbinder
- bicycle shop — a shop that sells and usually repairs bicycles and bicycle parts
- binding post — one of several metal pegs or rods, fitted into a loose-leaf binder, for holding sheets with prepunched holes.
- biopesticide — a naturally occurring or derived substance or an organism that controls pests by nontoxic means
- bird-spotter — a bird-watcher
- bishop's-cap — any of a genus (Mitella) of small woodland plants of the saxifrage family, with two-lobed seedcases shaped like a bishop's hat
- black sapote — a tropical American tree, Diospyros digyna, related to the persimmon, having sweet, edible, green fruit that turns black when ripe.
- blastosphere — blastula
- blood plasma — the pale yellow fluid portion of the blood; blood from which red and white blood cells and platelets have been removed
- blood sample — an amount of a person's blood taken from their body for use in medical tests
- blood spavin — a disease of the hock joint of horses in which enlargement occurs because of collected fluids (bog spavin) bony growth (bone spavin) or distention of the veins (blood spavin)
- blood supply — the flow of blood to different parts of the body
- boatsmanship — seamanship as applied to boats, especially rowboats and motorboats.
- body repairs — repairs to the bodywork of cars