Tracer vs Indicator - What's the difference?
tracer | indicator |
(chemistry) A chemical used to track the progress or history of a natural process.
A round of ammunition for a firearm that contains magnesium or another flammable substance arranged such that it will burn and produce a visible trail when fired in the dark.
The act of tracking or investigating something.
A person who traces something.
A pointer or index that indicates something.
A meter or gauge.
The needle or dial on such a meter.
(chemistry) Any of many substances, such as litmus, used to indicate the concentration of a substance, or the degree of a reaction.
(ecology) A plant or animal whose presence is indicative of some specific environment.
(economics) A measure, such as unemployment rate, which can be used to predict economic trends.
(UK, Australia) A trafficator.
A bird, the honeyguide.