trace

US /treɪs/
UK /treɪs/
"trace" picture
1.

a mark, object, or sign left by the passage or existence of a person, animal, or thing

:
The police found no trace of the suspect.
There was a faint trace of smoke in the air.
2.

a very small quantity, especially of something that is difficult to detect

:
There was only a trace of poison in the sample.
He spoke with a faint trace of an accent.
1.

find or discover by investigation

:
Police are trying to trace the owner of the abandoned car.
Can you trace the source of this problem?
2.

copy (a drawing, map, or design) by drawing over its lines on a superimposed piece of transparent paper

:
She carefully traced the outline of the drawing.
He used tracing paper to trace the map.