0 present participle of jerk
1 to make a short sudden movement, or to cause someone or something to do this:
Thus, relatively higher sound power is produced during the large longitudinal jerking motions of the vortex centroids.
As parents realize infants are responding to their voices by kicking, jerking, or with coos and gurgles, they begin taking turns with the infants.
As discussed before, the first term relates to the production of sound through the longitudinal jerking motions of the vortex pair.
The first one is due to the jerking and accelerating motions of the vortex centroids, which result in an imbalance of the vortex force in the system.
Jaenson (1979a) recognized three stages: an early stage of active male courtship, a final stage with active male 'jerking', and a long intermediate stage with intermittent female buzzing.
On the following day the fore legs were rigidly extended, and the hind legs showed rythmic flexor and extensor jerking movements, sometimes resembling walking.
Sometimes an attack will be marked by convulsive jerking, caused by the muscles alternating rapidly between limpness and partial control.
On 22/11 course jerkings were added to the other symptoms, and the animal ran backwards and tended to fall to the left.
