16-letter words containing u, b, i, s
- vestibule school — a school in an industrial establishment where new employees are given specific training in the jobs they are to perform.
- visible spectrum — the range of wavelengths of electromagnetic radiation that is normally visible, from 380 to 760 nm.
- writ of subpoena — a legal document commanding the attendance in court, as a witness, of the person on whom it is served, under a penalty