puls-, pulsi-, -pulsion, -pulsive

In medicine, a neurosis in which people are continuously bothered by persistent ideas that make them do repetitive, ritualized actions which they have no control over: An obsessive-compulsive disorder often begins in adolescence and continues to fluctuate or come and go over time.

People with obsessive-compulsive disorders often suffer from very strong feelings of having to do something that can't be controlled by themselves and so they also may have depressions and anxieties.

For a long time, obsessive-compulsive disorders have been treated with psychoanalysis or behavior therapy.

A forcing or pushing to shove or drive something forward: Good propulsion is needed to move a swimmer through the strong waves of an ocean.

The wind requires strong propulsion to blow trees down during a storm.

Any of several celestial radio sources transmitting short intense bursts of radio waves, x-rays, or visible electromagnetic radiation at regular intervals, generally believed to be rotating neutron stars.

1. To rhythmically expand and to contract or to make strong movements in a regular pattern: "Just about every scene of the drama pulsated with suspense and humor."
2. To make regular and strong sounds, flashes, beats, etc.: "The lights at the dance were pulsating with the music."

Descriptive of expanding and contracting rhythmically; such as, the beating of the heart: The doctor could feel Frank's pulsating artery.

As electrical potential which is unidirectional but varies in magnitude at a periodic frequency.

Strong and regular beats or movements: "After running so much, David's heart pulsations were naturally stronger than they were just before he started."

A reference to having a rhythmical vibration or movement.