epicenter🔊nounUS /ˈɛpɪˌsɛntɚ/ · UK /ˈɛpɪˌsɛntə/Etymology From epi- + center.1US, Standard US standard spelling of epicentre.Before the area was a tech epicenter, it was a bucolic land of fruit orchards.2025 August 4, Sheera Frenkel, “How Tech Firms Like Google and Meta Are Embracing the Military”, in The New York Times, archived from the original on 05 Aug 2025:AntonymshypocenterHyponymsground zero