Meaning of tracer
Definition of tracer
(noun)
an
investigator
who is
employed
to
find
missing
persons or
missing
goods
an
instrument
used
to
make
tracings
(radiology) any
radioactive
isotope
introduced into the
body
to
study
metabolism
or
other
biological
processes
ammunition
whose
flight
can be
observed
by a
trail
of
smoke
Other information on tracer
WIKIPEDIA results for
tracer
Amazon results for
tracer
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