[{"word":"aa","phonetic":"/ˈɑː.ɑː/","phonetics":[{"text":"/ˈɑː.ɑː/","audio":""},{"text":"/ˈɑ.ɑ/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A form of lava flow associated with Hawaiian-type volcanoes, consisting of basaltic rock, usually dark-colored with a jagged and loose, clinkery surface. Compare pahoehoe.","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/aa"]},{"word":"aa","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"Initialism of acting age.","synonyms":[],"antonyms":[]},{"definition":"Initialism of alveolar-arterial.","synonyms":[],"antonyms":[]},{"definition":"Initialism of approximate absolute.","synonyms":[],"antonyms":[]},{"definition":"Initialism of armature accelerator.","synonyms":[],"antonyms":[]},{"definition":"Initialism of ascending aorta.","synonyms":[],"antonyms":[]},{"definition":"Initialism of atomic absorption.","synonyms":[],"antonyms":[]},{"definition":"Initialism of author's alteration.","synonyms":[],"antonyms":[]},{"definition":"Initialism of average audience.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"adjective","definitions":[{"definition":"Initialism of arctic-alpine.","synonyms":[],"antonyms":[]},{"definition":"Initialism of always afloat.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"noun","definitions":[{"definition":"A clear colourless organic acid, CH3COOH, formed by the oxidation of ethanol; it is used as a solvent and has very many industrial applications; it is the major acidic component of vinegar.","synonyms":[],"antonyms":[]}],"synonyms":["E260","preservative","ethanoic acid"],"antonyms":[]},{"partOfSpeech":"noun","definitions":[{"definition":"Any organic compound containing both an amino and a carboxylic acid functional group.","synonyms":[],"antonyms":[]},{"definition":"Any of the twenty naturally occurring α-amino acids (having the amino, and carboxylic acid groups on the same carbon atom), and a variety of side chains, that combine, via peptide bonds, to form proteins.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"noun","definitions":[{"definition":"1-amino-2-propanone, a secondary amino ketone","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"noun","definitions":[{"definition":"A long-chain polyunsaturated fatty acid, having 20 carbon atoms and four double bonds, found in animal fats; it is essential for human nutrition, being a precursor to the production of prostaglandins.","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/aa","https://en.wiktionary.org/wiki/acetic%20acid","https://en.wiktionary.org/wiki/amino%20acid","https://en.wiktionary.org/wiki/aminoacetone","https://en.wiktionary.org/wiki/arachidonic%20acid"]},{"word":"aa","phonetics":[],"meanings":[{"partOfSpeech":"adjective","definitions":[{"definition":"Abbreviation of ana.","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/aa"]}]