[{"word":"photoperiods","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The normal duration of natural daylight experienced by an organism; daylength","synonyms":[],"antonyms":[]}],"synonyms":["day","daylength"],"antonyms":["scotoperiod"]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/photoperiod","https://en.wiktionary.org/wiki/photoperiods"]}]