ethynylene التعريفات والمعاني == English == === Noun === ethynylene (plural ethynylenes) (organic chemistry, especially in combination) The divalent radical derived from ethyne -C≡C- شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة ethynylenes ethylene ethylene glycol ethylene-vinyl acetate ethylenediamine ethylenediaminetetraacetate ethylene oxide ethynylbenzene ethylenediaminetetraacetic