an arrow-shaped piece on a dial or scale for registering information
you should refill when the indicator on the gas gauge shows that there's only a quarter of a tank left
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Recent Examples of indicatorMold is a clear indicator that leeks are no longer safe to eat.—Riley Wofford, Martha Stewart, 20 Jan. 2026 The children had fever, cough and rash, all common indicators of measles.—Eduardo Cuevas, USA Today, 19 Jan. 2026 All adjustments are made via the crown and the day/night indicator, linked to home time, is located at 12 o’clock.—Oren Hartov, Robb Report, 19 Jan. 2026 One key indicator is the Bz component of the interplanetary magnetic field.—Valerie Mesa, PEOPLE, 19 Jan. 2026 See All Example Sentences for indicator