noun Download 🔗Share An evacuated glass bulb containing a metal filament which is heated by electrical resistance to produce light. Examples : "I changed the lightbulb in the living room lamp because the old one had burned out. " technology electronics electric device utility energy item thing Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share (by extension) An article that resembles such a bulb and converts electricity to light by any process. Examples : "a fluorescent light bulb" technology electronics device utility item thing electric Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share Used in reference to the sudden arrival of a realization, an inspiration, an idea, or the like. Examples : "a light bulb moment" mind sensation ability sign abstract Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share An uninvited third person joining a couple's date who prevents or hinders romantic interactions. Examples : "Mark tried to have a romantic dinner with Sarah, but his little brother tagging along felt like a lightbulb ruining the mood. " person family entertainment Chat with AIVocabulary GamePractice Reading