12-letter words containing o, p, i, s, t
- approximates — near or approaching a certain state, condition, goal, or standard.
- apron string — a string for tying an apron on
- arctophilist — a collector of teddy bears
- aristophanes — ?448–?380 bc, Greek comic dramatist, who satirized leading contemporary figures such as Socrates and Euripides. Eleven of his plays are extant, including The Clouds, The Frogs, The Birds, and Lysistrata
- aristophanic — 448?–385? b.c, Athenian comic dramatist.
- arsenopyrite — a white or grey metallic mineral consisting of a sulphide of iron and arsenic that forms monoclinic crystals with an orthorhombic shape: an ore of arsenic. Formula: FeAsS
- arthroscopic — the use of an arthroscope to diagnose an injury to or disease of a joint or to perform minor surgery on a joint.
- aspect ratio — the ratio of width to height of the picture on a television or cinema screen
- 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.
- astigmoscope — astigmatoscope.
- 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.
- australopith — (archaeology, anthropology, paleonotology) Of or pertaining to the extinct hominid primates, of the genus Australopithecus, from the Pleistocene period.
- autohypnosis — the process or result of self-induced hypnosis
- automorphism — the practice of seeing others as having the same characteristics as oneself
- 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
- 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
- betting shop — A betting shop is a place where people can go to bet on something such as a horse race.
- bibliopegist — a bookbinder
- 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
- boatsmanship — seamanship as applied to boats, especially rowboats and motorboats.
- bypass ratio — the ratio of the amount of air that bypasses the combustion chambers of an aircraft gas turbine to that passing through them
- camp bastion — a large British military base in Helmand province, Afghanistan, built in 2006
- capital cost — a cost incurred on the purchase of land, buildings, construction and equipment to be used in the production of goods or the rendering of services
- capital loss — A capital loss is a loss on investment property.
- captiousness — The state of being captious.
- castile soap — a hard soap made from olive oil and sodium hydroxide
- cataphoresis — electrophoresis
- catastrophic — Something that is catastrophic involves or causes a sudden terrible disaster.
- catch points — railway points designed to derail a train running back in the wrong direction to prevent collision with a following train
- ceratopsians — Plural form of ceratopsian.
- ceroplastics — the art of wax modelling
- charity shop — A charity shop is a shop that sells used goods cheaply and gives its profits to a charity.
- cheiloplasty — plastic surgery of the lip.
- chemotropism — the growth response of an organism, esp a plant, to a chemical stimulus
- chiropterans — Plural form of chiropteran.
- chisel point — a nail or spike with the point formed by two flat inclined sides meeting at a sharp angle.
- christophany — an appearance or emergence of Christ following his crucifixion
- christophene — chayote.
- chromatopsia — an irregularity in the ability to see colours properly
- chymotrypsin — a powerful proteolytic enzyme secreted from the pancreas in the form of chymotrypsinogen, being converted to the active form by trypsin