16-letter words containing p, o, r
- under bare poles — (of a sailing vessel) with no sails set
- under the plough — If an area of land is under the plough, it is used for growing crops. If land is brought or put under the plough, it is ploughed for the first time and is then used for growing crops.
- under-employment — employed at a job that does not fully use one's skills or abilities.
- 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.
- unimproved value — the valuation of land for rating purposes, disregarding the value of buildings or other development
- union membership — members of a trade union
- united provinces — (used with a singular or plural verb) former name of Uttar Pradesh.
- unproportionally — having due proportion; corresponding.
- unpublished work — a literary work that has not been reproduced for sale or publicly distributed.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.
- upper lough erne — a lough in Northern Ireland, fed by the river Erne
- upsilon particle — the 20th letter of the Greek alphabet (Υ, υ).
- vapor channeling — Vapor channeling exists when vapor flow is distributed in an unequal way in a distillation vessel or stage.
- vapor combustion — Vapor combustion is a closed burn system used for treating liquid waste which contains volatile organic compounds.
- ventriculography — radiography of the ventricles of the heart after injection of a contrast medium
- 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.
- vinylidene group — the bivalent group C 2 H 2 , derived from ethylene.
- vinylpyrrolidone — Vinylpyrrolidone is a substance used as a binder in pharmaceuticals.
- virginia cowslip — a perennial woodland plant (Mertensia virginica) of the borage family, native to E North America and having clusters of blue or purple, bell-shaped flowers
- vitruvius pollio — Marcus, flourished 1st century b.c, Roman architect, engineer, and author.
- voice production — the use of the voice in order to create particular effects
- voluntary helper — a person who aids or assists in a specified function of one's own accord and without compulsion or promise of remuneration
- walk a tightrope — be in a precarious position
- well-upholstered — (of a person) fat
- white propaganda — propaganda that comes from the source it claims to come from
- willow ptarmigan — a ptarmigan, Lagopus lagopus, of arctic and subarctic regions of the New and Old Worlds, having brown, mottled plumage in summer and white plumage in winter.
- wimp environment — WIMP
- windfall profits — Windfall profits are excessive profits with a non-business cause such as a natural disaster.
- wisconsin rapids — a city in central Wisconsin.
- wolfenden report — a study produced in 1957 by the Committee on Homosexual Offences and Prostitution in Britain, which recommended that homosexual relations between consenting adults be legalized
- 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 bank group — the collective name for the International Bank for Reconstruction and Development, the International Finance Corporation, and the International Development Association, whose headquarters are all in Washington
- 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
- x-ray photograph — a radiograph made with x-rays.
- xenotransplanted — Transplanted by xenotransplantation.
- yellow pikeperch — the walleye, Stizostedion vitreum.
- yellow pimpernel — Lysimachia nemorum
- zero-zero option — (in international nuclear arms negotiations) an offer to remove all intermediate-range nuclear missiles, if the other side will do the same
- zygosporangium's — a sporangium that bears a zygospore.