indicator

Meanings

1. 1
   noun

   A sign or measurement that shows what a situation is like.

   Unemployment is an important indicator of economic health.

2. 2
   noun

   A device, dial, or light that shows the condition of a system.

   A red indicator on the dashboard warns you when fuel is low.

3. 3
   noun

   A substance that changes color to show the presence of a chemical.

   The indicator turned pink, showing the solution was alkaline.

From Late Latin indicātor (“one who points out”), from Latin indicō (“point out”). By surface analysis, indicate + -or; see indicate.

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