otoprotectant التعريفات والمعاني == English == === Etymology === From oto- + protectant. === Noun === otoprotectant (plural otoprotectants) Any material that protects the ear from damage ==== Related terms ==== otoprotective شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة otoprotectants osmoprotectant osteoprotectant osmoprotectants