mixing ratio

In a system of moist air, the dimensionless ratio of the mass of water vapor to the mass of dry air; for many purposes, the mixing ratio may be approximated by the specific humidity.

Related terms:

• humidity mixing ratio
• saturation mixing ratio
• saturation ratio
• isentropic mixing
• specific humidity
• drainage ratio
• density ratio
• clastic ratio
• carbon isotope ratio
• carbon ratio