toqus
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investigator
noun
a
person
whose
job
is
to
discover
the
facts
about
a
crime
,
accident
,
or
mystery
•
The
investigator
carefully
photographed
the
footprints
at
the
deserted
warehouse
.
The
investigator
carefully
photographed
the
footprints
at
the
deserted
warehouse
.
•
Neighbors
watched
as
an
investigator
collected
fingerprints
from
the
broken
window
.
Neighbors
watched
as
an
investigator
collected
fingerprints
from
the
broken
window
.
noun
a
scientist
or
scholar
who
designs
and
leads
a
research
study
•
The
lead
investigator
presented
the
study's
findings
at
the
medical
conference
.
The
lead
investigator
presented
the
study's
findings
at
the
medical
conference
.
•
Each
investigator
must
obtain
approval
from
the
ethics
committee
before
starting
the
trial
.
Each
investigator
must
obtain
approval
from
the
ethics
committee
before
starting
the
trial
.