Definition of "krypton" []

• A whitish, largely inert gaseous element used chiefly in gas discharge lamps and fluorescent lamps. Atomic number 36; atomic weight 83.80; melting point -156.6°C; boiling point -152.30°C; density 3.73 grams per liter (0°C). See Table at element. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "He's included chairs with a germ-resistant fabric called krypton (ph) and a seating area for families."
• "Although the density of the new gas, which we named "krypton" or"
• "Fluorine can react with noble gases such as krypton and xenon."