leptometer التعريفات والمعاني == English == === Noun === leptometer (plural leptometers) (historical) An instrument for measuring the viscosity of oil. شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة leptometers Leptopterus Leptomeryx lactometer leukometer leucometers lensometer lensometers leukometers