[{"word":"sd","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"(law enforcement) Initialism of sheriff's department.","synonyms":[],"antonyms":[]},{"definition":"Initialism of self-destruct.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"noun","definitions":[{"definition":"A governmental district that operates local public primary and secondary schools.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"noun","definitions":[{"definition":"A system that uses a resolution that is not considered to be either high-definition television (720p, 1080i, 1080p, 1440p, 4K UHDTV, and 8K UHD) or enhanced-definition television (EDTV 480p).","synonyms":[],"antonyms":[]}],"synonyms":["SD"],"antonyms":[]},{"partOfSpeech":"noun","definitions":[{"definition":"A measure of how spread out data values are around the mean, defined as the square root of the variance. Represented with the Greek letter σ.","synonyms":[],"antonyms":[]}],"synonyms":["sigma","standard error"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/SD","https://en.wiktionary.org/wiki/school%20district","https://en.wiktionary.org/wiki/sd","https://en.wiktionary.org/wiki/standard%20definition","https://en.wiktionary.org/wiki/standard%20deviation"]}]