[{"word":"macrostructures","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The gross structure of a material or tissue as visible to the unaided eye or at very low levels of magnification.","synonyms":[],"antonyms":[]},{"definition":"The gross structure of a pure metal or alloy, as revealed by magnifications of 10X or less.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":["microstructure"]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/macrostructure","https://en.wiktionary.org/wiki/macrostructures"]}]