硬化 Traditional form: 硬化 Pinyin (reading): yìnghuà Definitions: to harden (medicine) sclerosis (fig.) to become inflexible in one's opinions; to ossify Characters: 硬 - firm, hard, strong; obstinate 化 - to change, to convert, to reform; -ize Traditional characters: 硬 - firm, hard, strong; obstinate 化 - to change, to convert, to reform; -ize