[ sʌɪ'anədʒ(ə)n ]
■ noun Chemistry a flammable poisonous gas made by oxidizing hydrogen cyanide. [C 2 N 2 .]
Origin
C19: from Fr. cyanogène , from Gk kuanos 'dark blue mineral' + -gène (see -gen ), so named because it is related to Prussian blue.
[ sʌɪ'anədʒ(ə)n ]
■ noun Chemistry a flammable poisonous gas made by oxidizing hydrogen cyanide. [C 2 N 2 .]
Origin
C19: from Fr. cyanogène , from Gk kuanos 'dark blue mineral' + -gène (see -gen ), so named because it is related to Prussian blue.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004