?字UNICODE編碼U+492F,10進制: 18735,UTF-32: 0000492F,UTF-8: E4 A4 AF。
?字位于中日韓統一表意文字擴充A區(CJK Unified Ideographs Extension A)。
(same as 鉶) container for thick soup, sacrificical utensil, thick soup of meat and vegetables, (interchangeable 硎) a whetstone; grindstone