21-letter words containing a, p, t, e, r, l
- to play the race card — if someone plays the race card they bring up the issue of race in a discussion, perhaps for sympathy or to seek popularity by appealing to racist sentiment
- topgallant forecastle — a partial weather deck on top of a forecastle superstructure; forecastle deck.
- trans-alaska pipeline — a pipeline system opened in 1977 that transports oil 800 miles (1300 km) across Alaska, from Prudhoe Bay on the North Slope S to Valdez harbor.
- traveling salesperson — a representative of a business firm who travels in an assigned territory soliciting orders for a company's services.
- triple superphosphate — superphosphate (def 2).
- triple-superphosphate — Also called acid phosphate. a mixture of calcium acid phosphate and calcium sulfate prepared by treating phosphate rock with sulfuric acid: used chiefly as a fertilizer.
- ulster unionist party — a Northern Irish political party advocating the maintenance of union with the UK
- uncertainty principle — the principle of quantum mechanics, formulated by Heisenberg, that the accurate measurement of one of two related, observable quantities, as position and momentum or energy and time, produces uncertainties in the measurement of the other, such that the product of the uncertainties of both quantities is equal to or greater than h/ 2 π, where h equals Planck's constant.
- west university place — a city in SE Texas.
- white-knuckle paddler — an inexpert and timid canoeist.
- wildlife photographer — someone that specializes in taking photographs of wild animals, especially in their natural habitats, and plants
- with a capital letter — (used to give emphasis to a statement)