nongumming التعريفات والمعاني == English == === Etymology === From non- + gumming. === Adjective === nongumming (not comparable) That does not produce gum. a nongumming oil شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة nongaming nondumping non-gaming nóngmíngōng nòngmíngbái