turning in an opposite direction or position
"the reversal of the image in the lens"
Alternative spelling of turnaround
turn abruptly and face the other way, either physically or metaphorically
"He turned around to face his opponent"
"My conscience told me to turn around before I made a mistake"
improve dramatically
"The new strategy turned around sales"
"The tutor turned around my son's performance in math"
improve significantly; go from bad to good
"Her performance in school picked up"
To physically rotate (usually around a vertical axis) for a half turn (180 degrees), a whole turn (360 degrees), or an indefinite amount.