14-letter words containing t, u, m, a
- unsurmountable — to mount upon; get on the top of; mount upon and cross over: to surmount a hill.
- unsympathizing — not sympathizing; not offering sympathy; unsympathetic
- unsystematical — unsystematic
- unsystematized — not systematized or arranged in a system
- untransmutable — intransmutable
- up to the mark — acceptably good
- ural mountains — a mountain system in W central Russia, extending over 2000 km (1250 miles) from the Arctic Ocean towards the Aral Sea: forms part of the geographical boundary between Europe and Asia; one of the richest mineral areas in the world, with many associated major industrial centres. Highest peak: Mount Narodnaya, 1894 m (6214 ft)
- uranium dating — a method of dating archaeological or geological specimens by determining the decay activity of the uranium in a given sample.
- Ústí nad labem — a port in the Czech Republic, on the Elbe River: textile and chemical industries. Pop: 95 000 (2005 est)
- utilitarianism — the ethical doctrine that virtue is based on utility, and that conduct should be directed toward promoting the greatest happiness of the greatest number of persons.
- vacuum casting — the casting of metal within a vacuum.
- value judgment — an estimate, usually subjective, of the worth, quality, goodness, evil, etc., of something or someone.
- vanadium steel — an alloy steel containing vanadium.
- venetian sumac — smoke tree (def 2).
- virtual memory — a system whereby addressable memory is extended beyond main storage through the use of secondary storage managed by system software in such a way that programs can treat all of the designated storage as addressable main storage.
- volumetrically — of or relating to measurement by volume.
- volunteer army — a military force composed entirely of enlistees.
- vowel mutation — umlaut (def 2).
- water measurer — a slender heteropterous bug, Hydrometra stagnorum, that has a greatly elongated head and is found on still or sluggish water where it preys on water fleas, mosquito larvae, etc
- well-modulated — to regulate by or adjust to a certain measure or proportion; soften; tone down.
- welsh mountain — a common breed of small hardy sheep kept mainly in the mountains of Wales
- xanthomelanous — of or relating to olive-skinned and dark-haired peoples, belonging to the Xanthomelanoi division
- yttrium metals — a series of closely related metals including yttrium, holmium, erbium, thulium, ytterbium, lutetium, and sometimes, terbium, gadolinium, and dysprosium