矿渣

Traditional form:

礦渣

Pinyin (reading):

kuàngzhā

Definitions:

• slag (mining)

Characters:

• 矿 - mine; mineral, ore
• 渣 - dregs, sediment; refuse, slag

Traditional characters:

• 礦 - mine; mineral, ore
• 渣 - dregs, sediment; refuse, slag