[{"word":"rockwool","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"Inorganic material resembling fiber, used primarily for insulation and soundproofing.","synonyms":[],"antonyms":[]},{"definition":"A horticultural growing medium made from natural ingredients, usually including basalt rock and chalk.","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/rockwool"]}]