化验 Traditional form: 化驗 Pinyin (reading): huàyàn Definitions: chemical examination to do a lab test Characters: 化 - to change, to convert, to reform; -ize 验 - to examine, to inspect, to test, to verify Traditional characters: 化 - to change, to convert, to reform; -ize 驗 - to examine, to inspect, to test, to verify