18-letter words containing h, e, n, l, y, s
- sulfuric anhydride — sulfur trioxide.
- the encyclopedists — the writers of the French Encyclopedia (1751-72) edited by Diderot and d'Alembert, which contained the advanced ideas of the period
- the hotel industry — the branch of the services industry which provides hotels
- unenthusiastically — full of or characterized by enthusiasm; ardent: He seems very enthusiastic about his role in the play.
- wesleyan methodist — a member of any of the churches founded on the evangelical principles of John Wesley.
- whispering gallery — a space or gallery beneath a dome or broad arch in which low sounds produced at any of certain points are clearly audible at certain other distant points.
- wireless telephony — Now Rare. radiotelephony.
- yellow honeysuckle — a spreading, twining vine, Lonicera flava, of the southern and eastern U.S., having fragrant, tubular, orange-yellow flowers.