[{"word":"epsilon","phonetic":"/ɛpˈsaɪ.lən/","phonetics":[{"text":"/ɛpˈsaɪ.lən/","audio":""},{"text":"/ˈɛp.sɪ.lən/","audio":"https://api.dictionaryapi.dev/media/pronunciations/en/epsilon-us.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=36786589"}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The name for the fifth letter of the Greek alphabet, ε or Ε, preceded by delta (Δ, δ) and followed by zeta (Ζ, ζ).","synonyms":[],"antonyms":[]},{"definition":"In IPA, the phonetic symbol ɛ that represents the open-mid front unrounded vowel.","synonyms":[],"antonyms":[]},{"definition":"An arbitrarily small quantity.","synonyms":[],"antonyms":[]},{"definition":"A negligible effect.","synonyms":[],"antonyms":[],"example":"Yes, we have to convert all the symbol names to upper case at startup, but that’s epsilon."},{"definition":"The percentage change in an option value with respect to the underlying dividend yield.","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/epsilon"]}]