noun🔗ShareA light bulb that emits ultraviolet light, usually used to create the illusion that anything white is glowing."The science classroom used a blacklight to reveal invisible ink messages written on the paper. "energytechnologyelectronicsphysicssciencedeviceelectricChat with AIVocabulary GamePractice Reading
noun🔗ShareUltraviolet radiation/light"I used a blacklight to check for hidden stains on the hotel bedsheets. "physicsenergyscienceChat with AIVocabulary GamePractice Reading
