WordNet
counterclockwise rotation
n. rotation to the left [syn: levorotation] [ant: dextrorotation]
Usage examples of "counterclockwise rotation".
For instance, it's unclear whether the male pig, in the midst of his amatory labors, employs a clockwise or a counterclockwise rotation.
To my eye the vortex seemed to accelerate, to make its grand counterclockwise rotation in seconds, so that I could appreciate the whole of it.