D defs.my
Entry 1 sense Webster, 1913

Hypertrophy

/hīp'-ẽrt-rōfˌ-ē/ · Hy·per·tro·phy · IPA /haɪˈpɜɹ.tɹə.fi/
01 n. A condition of overgrowth or excessive development of an organ or part; -- the opposite of atrophy.
  1. 1.
    A condition of overgrowth or excessive development of an organ or part; -- the opposite of atrophy.(Med. & Biol.)