absolute system of units
Also found in: Medical.
absolute system of units[′ab·sə‚lüt ′sis·təm əv ′yü·nəts]
A set of units for measuring physical quantities, defined by interrelated equations in terms of arbitrary fundamental quantities of length, mass, time, and charge or current.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.