16-letter words containing p, r, o, e, s
- 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.
- troop the colors — to parade the colors, or flag, before troops
- turn upside down — invert
- 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
- 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.
- uncinate process — a curved, bony process on certain ribs of birds that projects backward and overlaps the succeeding rib, serving to strengthen the thorax.
- uncomprehensible — capable of being comprehended or understood; intelligible.
- under bare poles — (of a sailing vessel) with no sails set
- undercompensated — to compensate or pay less than is fair, customary, or expected.
- underconsumption — the act of consuming, as by use, decay, or destruction.
- unimpressionable — easily impressed or influenced; susceptible: an impressionable youngster.
- union membership — members of a trade union
- united provinces — (used with a singular or plural verb) former name of Uttar Pradesh.
- unpublished work — a literary work that has not been reproduced for sale or publicly distributed.
- unresponsiveness — responding especially readily and sympathetically to appeals, efforts, influences, etc.: a responsive government.
- unscrupulousness — not scrupulous; unrestrained by scruples; conscienceless; unprincipled.
- 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.
- upper atmosphere — the portion of the atmosphere above the troposphere.
- upsilon particle — the 20th letter of the Greek alphabet (Υ, υ).
- verneuil process — a process for making synthetic rubies, sapphires, spinels, etc., by the fusion at high temperatures of powdered compounds.
- vest-pocket park — pocket park.
- videodisc player — an electronic device for playing videodiscs through a television set.
- well-upholstered — (of a person) fat
- work-in-progress — In book-keeping, work-in-progress refers to the monetary value of work that has not yet been paid for because it has not yet been completed.
- world exposition — world's fair.
- 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.