Centrifugal Gravity: The kind of Artificial Gravity widely used by larger habitats and even starships, because it is substantially cheaper than faking it using powered vector-control apparatus, not to mention substantially simpler to implement and with fewer things to go wrong.
Notable for its amusing Coriolis side-effects, which is why it’s a really good idea not to bet on any ball games with a spacer until you’re used to how spin gravity affects things in practice…