[{"word":"photomultiplier","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A device, normally in the form of a tube, that uses a photocathode to convert photons into photoelectrons which are then amplified","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/photomultiplier"]}]