What does "retrace" mean?

The period when the beam of the cathode-ray tube returns to its initial horizontal position in order to start the next line of the display.

What is a synonym for "retrace"?

Common synonyms include: backtrack, backtracking, backtracks, bring back, bring to mind, call back.

/ɹiːˈtɹeɪs/ noun, verb

noun, verb ·Moderate ·College level

Noun

1
The period when the beam of the cathode-ray tube returns to its initial horizontal position in order to start the next line of the display.
2
An instance of retracement.

Verb

1
To trace (a line, etc. in drawing) again. transitive
2
reassemble mentally wordnet
3
To go back over something, usually in an attempt at rediscovery. transitive
"He retraced his steps, and found his keys where he had dropped them."
4
to go back over again wordnet
5
To undergo retracement. intransitive

"Retrace your steps and maybe you'll find your keys."

From French retracer, from Middle French retracier.