16-letter words containing t, h, e, c, o, n
- without ceremony — in a casual or informal manner
- yet another yacc — (tool) (Yay) An extension of Yacc with LALR2 parsing. Yay is available from Bull as part of the University of Waterloo Tools package maintained by <[email protected]>.
- zenith telescope — a telescope mounted to point only at the zenith, used at some observatories for measuring time by the stars.