HELIUM


Meaning of HELIUM in English

[he.li.um] n [NL, fr. Gk helios] (1872): a light colorless nonflammable gaseous element found esp. in natural gases and used chiefly for inflating airships and balloons, for filling incandescent lamps, and for cryogenic research

Merriam-Webster English vocab.      Английский словарь Merriam Webster.