18-letter words containing o, n, s, l, a, u
- to bare one's soul — If you bare your soul, you tell someone your most secret thoughts and feelings.
- to pull a fast one — If you say that someone has pulled a fast one on you, you mean that they have cheated or tricked you.
- tristan und isolde — a music drama (composed, 1857–59; première, 1865) by Richard Wagner.
- ultrasonic testing — the scanning of material with an ultrasonic beam, during which reflections from faults in the material can be detected: a powerful nondestructive test method
- ultrasonic welding — the use of high-energy vibration of ultrasonic frequency to produce a weld between two components which are held in close contact
- ultrasound scanner — a device used to examine an internal bodily structure by the use of ultrasonic waves, esp for the diagnosis of abnormality in a fetus
- unconstitutionally — not constitutional; unauthorized by or inconsistent with the constitution, as of a country.
- under (one's) seal — in a document authenticated by one's seal
- universal coupling — a coupling between rotating shafts set at an angle to one another, allowing for rotation in three planes.
- up someone's alley — suited to someone's tastes or abilities
- video surveillance — a system of monitoring activity in an area or building using a television system in which signals are transmitted from a television camera to the receivers by cables or telephone links forming a closed circuit
- wheelchair housing — housing designed or adapted for a chairbound person
- wrangell mountains — a mountain range in SE Alaska, extending into the Yukon, Canada. Highest peak: Mount Blackburn, 5037 m (16 523 ft)
- wrongful dismissal — the act of making someone redundant for reasons which are illegal or unjust