Yeah it's a pretty widely used term. ReactDOM has a hydrate() method[0] used to display something on the frontend that has already been rendered by the backend.

Yeah it's a pretty widely used term. ReactDOM has a hydrate() method[0] used to display something on the frontend that has already been rendered by the backend. [0]: https://reactjs.org/docs/react-dom.html#hydrate https://reactjs.org/docs/react-dom.html#hydrate