xenon
UK /ˈziːnɒn/ · US /ˈzinɑn/ noun
Forms xenons
- noun The chemical element (symbol Xe) with an atomic number of 54. It is a colorless, odorless, unreactive noble gas, used notably in camera flash technology.
Synonyms
Etymology
From Ancient Greek ξένος (xénos, “foreign, strange”) + -on, used for all noble gases.
Webster’s 1913
- noun A very heavy, inert gaseous element occurring in the atmosphere in the proportion of one volume is about 20 millions. It was discovered by Ramsay and Travers in 1898. It can be condensed to a liquid boiling at -109º C., and to a solid which volatilizes without melting. Symbol Xe or X; atomic weight 130.2.
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “xenon”, CC BY-SA 4.0. Details