SkyfireDict

indicator   (TTS Sound)

The noun indicator has 4 senses

• index, index number, indicant, indicator -- (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)


• indicator -- (a signal for attracting attention)


• indicator -- (a device for showing the operating condition of some system)


• indicator -- ((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)