Bible Dictionaries
Krypton

Webster's Dictionary

(n.) An inert gaseous element of the argon group, occurring in air to the extent of about one volume in a million. It was discovered by Ramsay and Travers in 1898. Liquefying point, - 152¡ C.; symbol, Kr; atomic weight, 83.0.

Bibliography Information
Webster, Noah. Entry for 'Krypton'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​k/krypton.html. 1828.