[{"word":"collimator","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"An optical device that generates a parallel beam of light. Often used to compensate for laser beam divergence.","synonyms":[],"antonyms":[]},{"definition":"A similar device that produces a parallel beam of particles such as neutrons.","synonyms":[],"antonyms":[]},{"definition":"A small telescope attached to a larger one, used to point it in the correct general direction.","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/collimator"]}]