[{"word":"eigenfunction","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A function \\phi such that, for a given linear operator D, D\\phi=\\lambda\\phi for some scalar \\lambda (called an eigenvalue).","synonyms":[],"antonyms":[]}],"synonyms":["eigenstate","proper function"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/eigenfunction"]}]