21-letter words containing a, n, s, t, y, p
- sympathetic vibration — a vibration induced by resonance.
- symphonie fantastique — a programmatic symphony (1830–31) in five movements by Hector Berlioz.
- tape operating system — (operating system) (TOS) An IBM operating system for System 360, used in the early days around 1965 to support the IBM 360 model 30 et al. TOS was a predecessor to IBM's Disk Operating System. TOS died out really early as disks such as the 2311 and 2314 became common with the IBM 360 whereas thet had been a real luxury on the IBM 7090.
- third-party insurance — insurance that compensates for a loss to a party other than the insured for which the insured is liable.
- to play second fiddle — If you play second fiddle to someone, your position is less important than theirs in something that you are doing together.
- trustee in bankruptcy — a person appointed by a court to administer the property of a bankrupt.
- ulster unionist party — a Northern Irish political party advocating the maintenance of union with the UK
- west university place — a city in SE Texas.