Nucleons are reacting. It's most definitely a nuclear reactor of some type.
They're not disputing the nuclear term, but fission vs. fusion.
Also, hello from Indian Point, Buchanan, NY! I can see a containment dome as I write this.
Next up on my Snake Plisskin-esque commute is literally going through Sing Sing prison: https://www.google.com/maps/@41.1506265,-73.8700067,613m/dat... (those train tracks are the Metro North Hudson line, among other things)