Redox indicators are used in chemical reactions to determine the presence of oxidizing or reducing agents.

The attitude indicators in the cockpit provide crucial information to the pilot.

I have multiple bite indicators set up on my fishing rod.

Chemical indicators are used to monitor chemical reactions.

Clustered indices are used to improve the performance of database queries.

The dial indicators are used to measure small distances or angles.

There are many global indicators that measure economic growth.

The indices verborum provide a comprehensive list of words used in the text.

Nonclustered indices are used to improve the performance of database queries.

The refractive indices of the two materials are different.