14-letter words containing x, i, r
- xenon trioxide — a colorless, nonvolatile solid, XeO 3 , explosive when dry: in solution it is called xenic acid.
- xerophytically — As a xerophyte.
- xeroradiograph — an x-ray utilizing a specially coated plate that allows a picture to be developed without the use of liquid chemicals.
- xinjiang uygur — an administrative division of NW China: established in 1955 for the Uygur ethnic minority, with autonomous subdivisions for other small minorities; produces over half China's wool and contains valuable mineral resources. Capital: Urumqi. Pop: 19 340 000 (2003 est). Area: 1 646 799 sq km (635 829 sq miles)
- xiphihumeralis — a long pectoral muscle found only in felines