sulfide (US) noun
or chiefly British sulphide /ˈsʌlˌfaɪd/ plural sulfides
or chiefly British sulphide /ˈsʌlˌfaɪd/ plural sulfides
Learner's definition of SULFIDE
[count, noncount] chemistry
: a compound that contains sulfur and one or more other chemical elements硫化物