rad   (TTS Sound)

The rad has 2 Senses.

• rad
• ラド
• a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
• 吸収される電離放射の単位で、照射原料1グラムあたり100エルグと等しい

• radian, rad
• ラジアン
• the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)
• 国際単位系で採用されている平面角の単位