What does PERSIRATION means?

There's no word "PERSIRATION". It seems like a possible misspelling of perspiration, which is the process of sweating.

Here's the breakdown:

* Perspiration: The process of sweating, which is the body's way of regulating its temperature.

* Sweat: The fluid produced by sweat glands that is released onto the skin.

If you're encountering the word "PERSIRATION" in a specific context, please provide more details and I'll be happy to help.