/ ˈɑːgɒn; NAmE ˈɑːrgɑːn/ noun
[ U ] ( symb Ar ) a chemical element. Argon is a gas that does not react with anything and is used in electric lights.
••
WORD ORIGIN
late 19th cent.: from Greek , neuter of argos idle, from a- without + ergon work.
/ ˈɑːgɒn; NAmE ˈɑːrgɑːn/ noun
[ U ] ( symb Ar ) a chemical element. Argon is a gas that does not react with anything and is used in electric lights.
••
WORD ORIGIN
late 19th cent.: from Greek , neuter of argos idle, from a- without + ergon work.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005