NOBLE GAS


Meaning of NOBLE GAS in English

(also iˌnert ˈgas , ˈrare gas ) noun

( chemistry ) any of a group of gases that do not react with other chemicals. argon , helium , krypton and neon are noble gases.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.