noun🔗ShareAn evacuated glass bulb containing a metal filament which is heated by electrical resistance to produce light."I changed the lightbulb in the living room lamp because the old one had burned out. "technologyelectronicselectricdeviceutilityenergyitemthingChat with AIVocabulary GamePractice Reading
noun🔗Share(by extension) An article that resembles such a bulb and converts electricity to light by any process."a fluorescent light bulb"technologyelectronicsdeviceutilityitemthingelectricChat with AIVocabulary GamePractice Reading
noun🔗ShareUsed in reference to the sudden arrival of a realization, an inspiration, an idea, or the like."a light bulb moment"mindsensationabilitysignabstractChat with AIVocabulary GamePractice Reading
noun🔗ShareAn uninvited third person joining a couple's date who prevents or hinders romantic interactions."Mark tried to have a romantic dinner with Sarah, but his little brother tagging along felt like a lightbulb ruining the mood. "personfamilyentertainmentChat with AIVocabulary GamePractice Reading
