[{"word":"burthens","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A heavy load.","synonyms":[],"antonyms":[]},{"definition":"A responsibility, onus.","synonyms":[],"antonyms":[]},{"definition":"A cause of worry; that which is grievous, wearisome, or oppressive.","synonyms":[],"antonyms":[]},{"definition":"The capacity of a vessel, or the weight of cargo that she will carry.","synonyms":[],"antonyms":[],"example":"a ship of a hundred tons burden"},{"definition":"The tops or heads of stream-work which lie over the stream of tin.","synonyms":[],"antonyms":[]},{"definition":"The proportion of ore and flux to fuel, in the charge of a blast furnace.","synonyms":[],"antonyms":[]},{"definition":"A fixed quantity of certain commodities.","synonyms":[],"antonyms":[],"example":"A burden of gad steel is 120 pounds."},{"definition":"A birth.","synonyms":[],"antonyms":[]},{"definition":"The total amount of toxins, parasites, cancer cells, plaque or similar present in an organism.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"noun","definitions":[{"definition":"The tonnage of a ship based on the number of tuns of wine that it could carry in its holds.","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/burden","https://en.wiktionary.org/wiki/burthen","https://en.wiktionary.org/wiki/burthens"]}]