Associations to the word «Steradian»

Wiktionary

STERADIAN, noun. (geometry) In the International System of Units, the derived unit of solid angle; the solid angle subtended at the centre of a sphere of radius r by a portion of the surface of the sphere that has area r2. Symbol: sr

Dictionary definition

STERADIAN, noun. The unit of solid angle adopted under the Systeme International d'Unites.

Wise words

The short words are best, and the old words are the best of all.
Winston Churchill