indicator | ||
1. | [ noun ] 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 | |
Synonyms: | index indicant index_number | |
Related terms: | fact leading_indicator Dow_Jones price_index short_account stock_index business_index | |
2. | [ noun ] a device for showing the operating condition of some system | |
Related terms: | device level pilot_light dial annunciator fuel_gauge gnomon cursor pointer scale test_paper tidemark air_sock | |
3. | [ noun ] a signal for attracting attention | |
Related terms: | signal reference_point bespeak | |
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 | |
Related terms: | coloring_material acid-base_indicator absorption_indicator alpha-naphthol_test oxidation-reduction_indicator chemistry | |
Similar spelling: |
indicatory indicate indicant indict indicative indication indicating intoxicant indignation integrator indigirka indiction indexical intoxicate inductor indiscrete indiscreet indigo indictment |