炼焦

Traditional form:

煉焦

Pinyin (reading):

liànjiāo

Definitions:

• coking
• the process of producing coke from coal

Characters:

• 炼 - to smelt, to refine; to distill, to condense
• 焦 - burned, scorched; anxious, vexed

Traditional characters:

• 煉 - to smelt, to refine; to distill, to condense
• 焦 - burned, scorched; anxious, vexed