[{"word":"steradians","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"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","synonyms":[],"antonyms":[]}],"synonyms":["sr"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/steradian","https://en.wiktionary.org/wiki/steradians"]}]