[{"word":"ephemera","phonetic":"/ɪˈfɛməɹə/","phonetics":[{"text":"/ɪˈfɛməɹə/","audio":"https://api.dictionaryapi.dev/media/pronunciations/en/ephemera-uk.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=99249023","license":{"name":"BY-SA 4.0","url":"https://creativecommons.org/licenses/by-sa/4.0"}}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"Objects that are designed to be short-lived.","synonyms":[],"antonyms":[],"example":"vintage ephemera"},{"definition":"(library science) Published single-sheet or single page documents which are meant to be thrown away after one use.","synonyms":[],"antonyms":[]},{"definition":"(by extension) Transitory audiovisual matter not intended to be retained or preserved.","synonyms":[],"antonyms":[],"example":"audio ephemera"}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"noun","definitions":[{"definition":"Something short-lived or transitory.","synonyms":[],"antonyms":[]},{"definition":"A type of weak reference in a garbage collected programming language that does not permit an object to be kept alive by its finalizer.","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/ephemera","https://en.wiktionary.org/wiki/ephemeron"]}]