[{"word":"gigatonnes","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A measure of the strength of an explosion or a bomb based on how many billion tons of TNT would be needed to produce the same energy.","synonyms":[],"antonyms":[]},{"definition":"One billion tons.","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/gigaton","https://en.wiktionary.org/wiki/gigatonne","https://en.wiktionary.org/wiki/gigatonnes"]}]