[{"word":"surd","phonetic":"/sɜːd/","phonetics":[{"text":"/sɜːd/","audio":""},{"text":"/sɝd/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"An irrational number, especially one expressed using the √ symbol.","synonyms":[],"antonyms":[]},{"definition":"A voiceless consonant.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"adjective","definitions":[{"definition":"Lacking the sense of hearing; deaf.","synonyms":[],"antonyms":[]},{"definition":"Unheard","synonyms":[],"antonyms":[]},{"definition":"Involving surds, or irrational numbers; not capable of being expressed in rational numbers.","synonyms":[],"antonyms":[],"example":"a surd expression or quantity; a surd number"},{"definition":"Unvoiced; voiceless","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/surd"]}]