13-letter words containing a, p, o, l, i, r
- visual foxpro — (database) A Microsoft database derived from Fox Software's FoxPRO.
- walter piston — Walter, 1894–1976, U.S. composer.
- xerophthalmia — abnormal dryness of the eyeball characterized by conjunctivitis, caused by a deficiency of tears and attributed to a lack of vitamin A.
- xerophthalmic — Of or pertaining to xerophthalmia.
- xiphiplastron — the fourth lateral plate of a turtle's plastron
- xylographical — Xylographic.
- york imperial — an American variety of yellow or green apple with red stripes.