solid angle

measure of a subtended portion of a sphere, used to describe the apparent size of items in a three-dimensional field of view

en-US/ˈsɑlɪd ˈæŋɡəl/
en-GB/ˈsɒlɪd ˈæŋɡəl/

หมวดหมู่:

physical quantitydimensionless quantity