'Emission of Semen' in the Bible

The woman also with whom man shall lie and have an emission of semen, they shall both bathe themselves in water, and be unclean until the evening.

This is the law of him that has a discharge, and of him who has an emission of semen, and is unclean thereby;

Whatsoever man of the descendants of Aaron who is a leper, or has a discharge; he shall not eat of the holy things, until he is clean. And whoever touches any thing that is defiled by a dead body, or a man who has had an emission of semen;