HEX: 0x40b4 DEC: 16564 Unicode Unihan data: kDefinition: (same as 研) to rub; to grind; to powder, to go the very source; to study; to investigate; to research; to examine; to search into carefully kHanyuPinyin: 42434.150:yán kJapanese: ゲン kMandarin: yán