[{"word":"impaction","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"Compression; the packing together of loose matter","synonyms":[],"antonyms":[]},{"definition":"Something packed together tightly; a mass of densely-packed matter","synonyms":[],"antonyms":[]},{"definition":"A solid, immobile bulk of stool","synonyms":[],"antonyms":[]},{"definition":"Failure of a tooth to erupt into the dental arch, because of adjacent teeth, dense overlying bone, excessive soft tissue, or other factor.","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/impaction"]}]