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WHAT DO YOU MEAN CONDENSATION
Condensation is the change in matter of a substance to a denser phase, such as a gas (or vapor) to a liquid. Condensation commonly occurs when a vapor is cooled to a liquid, but can also occur if a vapor is compressed (i.e., pressure on it increased) into a liquid, or undergoes a combination of cooling and compression. Liquid which has been condensed from a vapor is called condensate. A device or unit used to condense vapors into liquid is called a condenser. Condensers are typically coolers or heat exchangers which are used for various purposes, have various designs, and come in many sizes ranging from rather small to very large.
Condensation of vapor into liquid is the opposite of evaporation or boiling and is an exothermic process, meaning it releases heat. The water seen on the outside of a cold glass on a hot day is condensation.


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