12-letter words containing p, t, o
- blood typing — the classification of human blood cells to determine compatible blood types as for transfusion or organ transplant
- blotting-pad — an object to one side of which a piece of blotting paper is attached for blotting text handwritten in ink
- blue pointer — a large shark, Isuropsis mako, of Australian coastal waters, having a blue back and pointed snout
- boating trip — a trip or holiday in a boat such as a sailing boat or canal boat
- boatsmanship — seamanship as applied to boats, especially rowboats and motorboats.
- body politic — The body politic is all the people of a nation when they are considered as a complete political group.
- bolt upright — If someone is sitting or standing bolt upright, they are sitting or standing very straight.
- bomber pilot — the pilot of a bomber
- boobytrapped — to set with or as if with a booby trap; attach a booby trap to or in.
- booklet pane — Philately. any of a number of panes or small pages of postage stamps, stapled together into a booklet for the convenience of users.
- booster pump — A booster pump is a pump which is used where pressure is low and needs to be increased.
- boot topping — the part of a ship's hull that is between the load line and the water line when the ship is not loaded
- boot-scraper — a contraption consisting of an upright metal shape formerly placed outside some houses to enable people to scrape the mud from their boots before going in
- bootleg play — a play in which the quarterback pretends to hand the ball to a teammate, hides it by placing it next to his hip, and runs with it.
- bottle party — a party to which guests bring drink
- branch depot — one of a several depots receiving stock from the same central supplier
- branch point — Electricity. a point in an electric network at which three or more conductors meet.
- breastplough — a plough driven by the worker's breast, often used to pare turf
- breath group — a sequence of sounds articulated in the course of a single exhalation; an utterance or part of an utterance produced between pauses for breath.
- bubble point — the temperature at which bubbles just start to appear in a heated liquid mixture
- bullet point — A bullet point is one of a series of important items for discussion or action in a document, usually marked by a square or round symbol.
- bullet-proof — Something that is bullet-proof is made of a strong material that bullets cannot pass through.
- bus topology — bus
- butcher shop — a shop in which meat, poultry, and sometimes fish are sold.
- bypass ratio — the ratio of the amount of air that bypasses the combustion chambers of an aircraft gas turbine to that passing through them
- caloreceptor — a receptor stimulated by heat.
- camp bastion — a large British military base in Helmand province, Afghanistan, built in 2006
- camphor tree — a lauraceous evergreen E Asian tree, Cinnamomum camphora, whose aromatic wood yields camphor
- camphorating — Present participle of camphorate.
- canton crepe — a fine crinkled silk or rayon crepe fabric, slightly heavier than crepe de Chine
- capacitation — to make capable; enable.
- cape ortegal — a cape in NW Spain, projecting into the Bay of Biscay
- cape-lookout — Cape, a sandy reef in the Outer Banks, off E North Carolina, SW of Cape Hatteras: lighthouse.
- 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.
- capitol hill — the area around the Capitol in Washington, DC
- capitol peak — a mountain in W central Colorado, in the Elk range of the Rocky Mountains. 14,130 feet (4310 meters).
- capitulation — the act of capitulating
- capitulatory — the act of capitulating.
- captiousness — The state of being captious.
- cargo pocket — a large patch pocket, usually pleated at the sides and often having a flap.
- carpetmonger — a person who frequently visits women's boudoirs
- cartographer — A cartographer is a person whose job is drawing maps.
- cartographic — Of or pertaining to the making of maps.
- castile soap — a hard soap made from olive oil and sodium hydroxide
- catadioptric — involving a combination of reflecting and refracting components
- cataphoreses — Plural form of cataphoresis.
- cataphoresis — electrophoresis
- catastrophal — (rare) Catastrophic.
- catastrophes — Plural form of catastrophe.