16-letter words containing u, n, p, o, l, t
- unproportionally — having due proportion; corresponding.
- upsilon particle — the 20th letter of the Greek alphabet (Υ, υ).
- ventriculography — radiography of the ventricles of the heart after injection of a contrast medium
- voluntary helper — a person who aids or assists in a specified function of one's own accord and without compulsion or promise of remuneration