Indicator

Meaning, Term, and Glossary Definition - What is Indicator?

In biology, any biological entity or processes, or community whose characteristics show the presence of specific environmental conditions. 2. In chemistry, a substance that shows a visible change, usually of color, at a desired point in a chemical reaction. 3.A device that indicates the result of a measurement; e.g. a pressure gauge or a moveable scale.

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Related glossary terms:

Ecological Indicator   Environmental Indicator   Exposure Indicator   Habitat Indicator   Landscape Indicator   

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