19-letter words containing a, y, o, u
- unconstitutionality — not constitutional; unauthorized by or inconsistent with the constitution, as of a country.
- university hospital — a hospital that is affiliated with a university. University hospitals provide clinical education and training to future and current doctors, nurses, and other health professionals, in addition to delivering medical care to patients
- valencian community — region comprising three provinces of E Spain: 8,998 sq mi (23,305 sq km); pop. 4,029,000; cap. Valencia
- vapor recovery unit — A vapor recovery unit is a system for recovering vapors from inside sealed crude oil or condensate tanks, with a scrubber (= a device for removing unwanted substances) and compressor (= a device that raises pressure).
- velocity modulation — the modulation in velocity of a beam of electrons or ions caused by passing the beam through a high-frequency electric field, as in a cavity resonator
- volumetric analysis — determination of the concentration, by volume, of a substance in a solution, as by titration.
- welsh mountain pony — a small sturdy but graceful breed of pony used mostly for riding, originally from Wales
- what possessed you? — If you ask what possessed someone to do something, you are emphasizing your great surprise that they have done something which you consider foolish or dangerous.
- what's your poison? — what would you like to drink?
- what-do-you-call-it — whachamacallit.
- wouldn't harm a fly — If you say that someone wouldn't hurt a fly or wouldn't harm a fly, you are emphasizing that they are very kind and gentle.
- yablonovy mountains — a mountain range in Siberia. Highest peak: 1680 m (5512 ft)
- yellowtail flounder — a righteyed flounder, Limanda ferruginea, inhabiting waters along the Atlantic coast of North America, having a yellowish tail fin and rusty-red spots on the body: once commercially important, now greatly reduced in number.
- yeoman of the guard — a member of the bodyguard of the English sovereign, instituted in 1485, which now consists of 100 men, including officers, having purely ceremonial duties.
- young conservatives — the youth section of the United Kingdom Conservative Party until 1998
- your hands are tied — If you say that your hands are tied, you mean that something is preventing you from acting in the way that you want to.