INDICATOR definition: a person or thing that indicates, signals, or points out. See examples of indicator used in a sentence.

INDICATOR definition: 1. something that shows what a situation is like: 2. one of the lights at the front and back of a…. Learn more.

indicator noun Something visible or evident that gives grounds for believing in the existence or presence of something else:

An indicator is a measurement or value which gives you an idea of what something is like. ...vital economic indicators, such as inflation, growth and the trade gap. The number of wells is a fair …

If you're familiar with the verb to "indicate," then indicator should be no problem. An indicator points to, suggests, or shows something. The arrow on a street sign is an indicator telling you which way to go.

Iodine–starch test, a method to test for the presence of starch or iodine. Complexometric indicator, a chemical detector for metal ions in complexometric titrations. Humidity indicator card, a card …

The meaning of INDICATOR is one that indicates. How to use indicator in a sentence.

Feb 3, 2026 · The visual indicators are a decided improvement, and have reduced the telephoning by the staff in the signalbox. These old indicators [at Earl's Court station] show the destination of the …

Definition of indicator noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

indicator, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary