[iso.met.ric] adj (ca. 1855) 1: of, relating to, or characterized by equality of measure; esp: relating to or being a crystallographic system characterized by three equal axes at right angles
2: of, relating to, involving, or being muscular contraction (as in isometrics) against resistance, without significant shortening of muscle fibers, and with marked increase in muscle tone--compare isotonic -- iso.met.ri.cal.ly adv