steradian
English Thesaurus
1. the unit of solid angle adopted under the Systeme International d'Unites (noun.quantity)
| hypernym | : | angular unit, |
| definition | : | a unit of measurement for angles (noun.quantity) |
| part meronym | : | sphere, |
| definition | : | a three-dimensional closed surface such that every point on the surface is equidistant from the center (noun.shape) |
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