Browser Tab
Noun · Development
Definitions
A separate viewing context within a browser window that holds its own page state, navigation history, and runtime environment. Browser tabs matter in web development because storage scope, focus events, visibility changes, and cross-tab coordination can all affect application behavior.
In plain English: One of the separate page slots a browser window can keep open at the same time.
Example: "The app paused its polling loop when the browser tab became hidden so background tabs would not waste API quota."