erotism

Moreover, the conditions of modern civilization render auto-erotism a matter of increasing social significance.

I do not purpose to enter into a thorough discussion of all the aspects of auto-erotism.

Japanese women have probably carried the mechanical arts of auto-erotism to the highest degree of perfection.

The study of auto-erotism is far from being an unimportant or merely curious study.

There are many other forms in which the impulse of auto-erotism presents itself.