noun
: a sulfide of ammonium: as
a. : the unstable colorless to yellow crystalline normal sulfide (NH 4 ) 2 S
b. : the white crystalline hydrosulfide NH 4 HS used in aqueous solution chiefly in the textile industry
noun
: a sulfide of ammonium: as
a. : the unstable colorless to yellow crystalline normal sulfide (NH 4 ) 2 S
b. : the white crystalline hydrosulfide NH 4 HS used in aqueous solution chiefly in the textile industry
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012