noun Download 🔗Share A fireproof barrier used to prevent the spread of fire between or through buildings, structures, electrical substation transformers, or within an aircraft or vehicle. Examples : "The thick concrete firewalls in the parking garage are designed to stop a car fire from spreading to the entire building. " architecture material technology building technical Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share The software that monitors traffic in and out of a private network or a personal computer and allows or blocks such traffic depending on its perceived threat. Examples : "Our school uses firewalls to protect students' computers from harmful websites. " internet computing technology traffic machine device system electronics technical communication Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A hypothetical phenomenon where an observer falling into a black hole encounters high-energy quanta at or near the event horizon. Examples : "While we can't directly observe them yet, some theories suggest that firewalls, walls of intense heat and energy, might exist at the event horizons of black holes, incinerating anything that falls in. " physics astronomy theory space Chat with AIVocabulary GamePractice Reading