/ ˈkrɪptɒn; NAmE -tɑːn/ noun
[ U ] ( symb Kr ) a chemical element. Krypton is a gas that does not react with anything, used in fluorescent lights and lasers .
••
WORD ORIGIN
late 19th cent.: from Greek krupton , neuter of kruptos hidden.
/ ˈkrɪptɒn; NAmE -tɑːn/ noun
[ U ] ( symb Kr ) a chemical element. Krypton is a gas that does not react with anything, used in fluorescent lights and lasers .
••
WORD ORIGIN
late 19th cent.: from Greek krupton , neuter of kruptos hidden.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005