[hy.per.tro.phy] n, pl -phies [prob. fr. NL hypertrophia, fr. hyper- + -trophia -trophy] (1834) 1: excessive development of an organ or part; specif: increase in bulk (as by thickening of muscle fibers) without multiplication of parts
2: exaggerated growth or complexity -- hy.per.tro.phic adj
[2]hypertrophy vi -phied ; -phy.ing (1883): to undergo hypertrophy