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1. Oxford American Dictionary

   solid angle

   • IPA[ˈsäləd ˈaNGɡəl]

   • n.
     a three-dimensional analog of an angle, such as that subtended by a cone or formed by planes meeting at a point. It is measured in steradians.

   • noun: solid angle, plural noun: solid angles

2. • 更多解釋

   solid angle

   • n.
     a three-dimensional analogue of an angle, such as that subtended by a cone or formed by planes ...

   Oxford Dictionary