a movement like that of a sudden occurrence or increase in a specified phenomenon | the act of moving back and forth |
a hairdo that creates undulations in the hair | the motion made by flapping up and down |
the act of signaling by a movement of the hand | abnormally rapid beating of the auricles of the heart (especially in a regular rhythm); can result in heart block |
(physics) a movement up and down or back and forth | a disorderly outburst or tumult |
one of a series of ridges that moves across the surface of a liquid (especially across a large body of water) | |
something that rises rapidly | |
a persistent and widespread unusual weather condition (especially of unusual temperatures) | |
an undulating curve | |