Absolute Humidity by Jana L | Feb 25, 2022 | Glossary of Terms, Glossary of Terms -A, Uncategorized | 0 comments The weight of water vapor present in a unit volume of air; usually expressed as grains/cu. ft. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.