Reference meaning
indicator
Last updated
a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time
Related source terms
Other meanings
2. noun
a signal for attracting attention
3. noun
a device for showing the operating condition of some system
4. noun
(chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reaction
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 06639674-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.