What is concendation?

It seems there might be a typo in your question, as "concendation" is not a recognized term in English. If you meant "condensation," it refers to the process where a substance transitions from a gas to a liquid, often due to cooling. This phenomenon is commonly observed when water vapor in the air cools and forms droplets, such as dew or clouds. If you meant something else, please clarify for further assistance!