16-letter words containing p, a, s, e, r, i
- trial separation — an experimental period of living apart
- triple-expansion — noting a power source, especially a steam engine, using the same fluid at three successive stages of expansion to do work in three or more cylinders.
- uncinate process — a curved, bony process on certain ribs of birds that projects backward and overlaps the succeeding rib, serving to strengthen the thorax.
- unimpressionable — easily impressed or influenced; susceptible: an impressionable youngster.
- unrepresentative — a person or thing that represents another or others.
- upland sandpiper — a large, field-inhabiting sandpiper, Bartramia longicauda, of eastern North America, resembling a plover: now protected and increasing in numbers.
- upsilon particle — the 20th letter of the Greek alphabet (Υ, υ).
- videodisc player — an electronic device for playing videodiscs through a television set.
- washing-up water — water used for washing dishes
- water-base paint — latex paint.
- weatherstripping — A piece of weatherstrip material.
- windward passage — a strait in the West Indies, between Cuba and Haiti. 50 miles (80 km) wide.
- writ of subpoena — a legal document commanding the attendance in court, as a witness, of the person on whom it is served, under a penalty