Relative humidity

Definition (http://www.britannica.com/EBchecked/topic/496857/relative-humidity)

Ratio of the actual vapour pressure of water in the air to that in air saturated with water vapour; it is often expressed as a percentage. (Britannica)

Preferred Units: percent

Scope Note:
N/A

This term is used for the following terms: 
Air moisture
Atmospheric moisture
RH

Approved Date
02-Nov-2012

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