OASM system

OASM system

[¦ō¦ā¦es′em ‚sis·təm]
(physics)
A system of electrical and mechanical units in which the fundamental quantities are electric resistance, electric current, time, and length, and the base units of these quantities are the ohm, ampere, second, and meter, respectively.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.