orthotropy التعريفات والمعاني == English == === Etymology === From ortho- + -tropy. === Noun === orthotropy (uncountable) The condition of being orthotropic. شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة orthotropic orthotropics orthotropous orthotrope orthotomy orthotope orthotropes orthotrop orthotopic