13-letter words containing t, r, i, n, u
- up in the air — a mixture of nitrogen, oxygen, and minute amounts of other gases that surrounds the earth and forms its atmosphere.
- upright piano — a piano with an upright rectangular body and with its strings running vertically. Compare spinet (def 1).
- uralitization — the change of a crystalline silicate mineral to amphibole (one of a group of structurally similar minerals including calcium, sodium and magnesium)
- uranite group — the mineralogical group including uranites and related minerals.
- urban studies — the various disciplines associated with the study of urban areas, including urban planning, urban economics and urban architecture
- urinary tract — the organs in the body that produce and excrete urine
- vaunt-courier — a person who goes in advance, as a herald.
- ventriloquial — of, relating to, or using ventriloquism.
- ventriloquism — the art or practice of speaking, with little or no lip movement, in such a manner that the voice does not appear to come from the speaker but from another source, as from a wooden dummy.
- ventriloquist — a person who performs or is skilled in ventriloquism.
- ventriloquize — to produce (sounds) in the manner of a ventriloquist
- ventriloquous — of or relating to ventriloquism or a ventriloquist
- vermiculation — to work or ornament with wavy lines or markings resembling the form or tracks of a worm.
- vernacularist — someone who uses vernacular speech
- vernacularity — the quality or state of being vernacular
- virtual human — a computer-generated moving image of a human being, used esp in films as an extra in large crowd scenes
- voluntariness — done, made, brought about, undertaken, etc., of one's own accord or by free choice: a voluntary contribution.
- voluntaristic — Philosophy. any theory that regards will as the fundamental agency or principle, in metaphysics, epistemology, or psychology.
- volute spring — a coil spring, conical in shape, extending in the direction of the axis of the coil.
- vulgarization — to make vulgar or coarse; lower; debase: to vulgarize standards of behavior.
- vulnerability — capable of or susceptible to being wounded or hurt, as by a weapon: a vulnerable part of the body.
- w3 consortium — World Wide Web Consortium
- water curtain — a sheet of water from a series of sprinklers for protecting the walls and roof of a building from fires outside the building.
- water turbine — a turbine driven by the momentum or reactive force of water.
- white currant — a cultivated N temperate shrub, Ribes sativum, having small rounded white edible berries: family Grossulariaceae
- white russian — Byelorussian (def 2).
- winter squash — any of several varieties of Cucurbita maxima or C. moschata that mature in late autumn and are used, when ripe, as a vegetable.
- witching hour — midnight: a rendezvous at the witching hour.
- work function — Physics. the least energy necessary to free an electron from a metal surface.
- yekaterinburg — Ekaterinburg.
- your nineties — the ages between 90–99
- zarathustrian — Zoroaster.
- zinjanthropus — the genus to which Australopithecus boisei was formerly assigned.