Synonyms for indicator

Noun

1. index, index number, indicant, indicator, fact

usage: 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

2. indicator, signal, signaling, sign

usage: a signal for attracting attention

3. indicator, device

usage: a device for showing the operating condition of some system

4. indicator, coloring material, colouring material, color, colour

usage: (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