gigarad التعريفات والمعاني == English == === Etymology === From giga- + rad. === Noun === gigarad (plural gigarads) A unit of radiation equal to 109 rads. شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة gigarads gigaradian gigaradián gigaradians giga-radian giga-radians gigachad gigawatt Gigachad