氯化苦 lǜhuàkǔ chloropicrin Origin Definitions Defs Strokes Stroke Words Sentences Sents 氯化 lǜhuà verb chlorination The process of treating or combining a substance with chlorine to produce a chemical compound苦 kǔ adjective bitter having a sharp, pungent taste like that of coffee or unsweetened cocoa; the opposite of 甜 tián