actual cubic feet per minute
Also found in: Acronyms, Wikipedia.
actual cubic feet per minute[′ak·chə·wəl ′kyü·bik ‚fēt pər ′min·ət]
A measure of the volume of gas at operating temperature and pressure, as distinct from volume of gas at standard temperature and pressure. Abbreviated acfm.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.