[{"word":"undulation","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"An instance or act of undulating.","synonyms":[],"antonyms":[]},{"definition":"A wavy appearance or outline; waviness.","synonyms":[],"antonyms":[]},{"definition":"A tremulous tone produced by a peculiar pressure of the finger on a string.","synonyms":[],"antonyms":[]},{"definition":"A wavelike curve; a smooth and regular rise and fall.","synonyms":[],"antonyms":[]},{"definition":"A wavelike motion of the air; electromagnetic radiation.","synonyms":[],"antonyms":[]},{"definition":"A feeling as if of an undulatory motion about the heart.","synonyms":[],"antonyms":[]},{"definition":"The distinctive motion of the matter within an abscess on being pressed when it is ripe for opening.","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/undulation"]}]