16-letter words containing p, e, s, a
- transport number — that fraction of the total electric current that anions and cations carry in passing through an electrolytic solution.
- transport police — the national police force for railways in Britain, which protects rail operators, staff and passengers
- trap-door spider — any of several burrowing spiders, of the family Ctenizidae, that construct a tubular nest with a hinged lid.
- 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.
- two-party system — a political system consisting chiefly of two major parties, more or less equal in strength.
- two-pot screamer — a person easily influenced by alcohol
- two-tailed pasha — a distinctive vanessid butterfly of S Europe, Charaxes jasius, having mottled brown wings with a yellow-orange margin and frilled hind edges
- twofold purchase — a purchase using a double standing block and a double running block so as to give a mechanical advantage of four or five, neglecting friction, depending on whether the hauling is on the standing block or the running block.
- type ii diabetes — diabetes (def 4).
- unaccomplishable — to bring to its goal or conclusion; carry out; perform; finish: to accomplish one's mission.
- uncinate process — a curved, bony process on certain ribs of birds that projects backward and overlaps the succeeding rib, serving to strengthen the thorax.
- under bare poles — (of a sailing vessel) with no sails set
- undercompensated — to compensate or pay less than is fair, customary, or expected.
- ungava peninsula — a peninsula in NW Ungava region, in N Quebec, in E Canada.
- unimpressionable — easily impressed or influenced; susceptible: an impressionable youngster.
- unissued capital — authorized capital that has not yet been issued as shares
- unrepresentative — a person or thing that represents another or others.
- up to one's ears — the organ of hearing and equilibrium in vertebrates, in humans consisting of an external ear that gathers sound vibrations, a middle ear in which the vibrations resonate against the tympanic membrane, and a fluid-filled internal ear that maintains balance and that conducts the tympanic vibrations to the auditory nerve, which transmits them as impulses to the brain.
- upland sandpiper — a large, field-inhabiting sandpiper, Bartramia longicauda, of eastern North America, resembling a plover: now protected and increasing in numbers.
- upper atmosphere — the portion of the atmosphere above the troposphere.
- upside-down cake — a cake that is baked on a layer of fruit, then turned before serving so that the fruit is on top.
- upsilon particle — the 20th letter of the Greek alphabet (Υ, υ).
- vegetable sponge — loofah (def 2).
- vest-pocket park — pocket park.
- videodisc player — an electronic device for playing videodiscs through a television set.
- washing-up water — water used for washing dishes
- watch one's step — a movement made by lifting the foot and setting it down again in a new position, accompanied by a shifting of the weight of the body in the direction of the new position, as in walking, running, or dancing.
- watch this space — Journalists write 'Watch this space' in order to indicate in an informal way that they will be giving more information about something in the future.
- water-base paint — latex paint.
- weatherstripping — A piece of weatherstrip material.
- welfare payments — government benefits
- well-compensated — to recompense for something: They gave him ten dollars to compensate him for his trouble.
- windowpane shell — capiz.
- 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
- xenotransplanted — Transplanted by xenotransplantation.