toughener التعريفات والمعاني == English == === Etymology === From toughen + -er. === Noun === toughener (plural tougheners) Something used to toughen. === Anagrams === retoughen شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة tougheners toughen tougher toughen up toughness toughened toughening toughening up toughenable