19-letter words containing a, p, t, h, e, i
- trisodium phosphate — sodium phosphate (def 3).
- tuamotu archipelago — a group of about 80 coral islands in the S Pacific, in French Polynesia. Pop: 15 973 (2002; including the Gambier Islands). Area: 860 sq km (332 sq miles)
- typographical error — an error in printed or typewritten matter resulting from striking the improper key of a keyboard, from mechanical failure, or the like.
- university hospital — a hospital that is affiliated with a university. University hospitals provide clinical education and training to future and current doctors, nurses, and other health professionals, in addition to delivering medical care to patients
- up against the wall — any of various permanent upright constructions having a length much greater than the thickness and presenting a continuous surface except where pierced by doors, windows, etc.: used for shelter, protection, or privacy, or to subdivide interior space, to support floors, roofs, or the like, to retain earth, to fence in an area, etc.
- wage-push inflation — an inflationary trend caused by wage increases that in turn cause rises in production costs and prices.
- welsh mountain pony — a small sturdy but graceful breed of pony used mostly for riding, originally from Wales
- whorfian hypothesis — Sapir-Whorf hypothesis.
- wireless telegraphy — Now Rare. radiotelegraphy.
- zenithal projection — a type of map projection in which part of the earth's surface is projected onto a plane tangential to it, either at one of the poles (polar zenithal), at the equator (equatorial zenithal), or between (oblique zenithal)