Definition of hypertrophy noun from the Oxford Advanced Learner's Dictionary



BrE BrE//haɪˈpɜːtrəfi//
; NAmE NAmE//haɪˈpɜːrtrəfi//
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an increase in the size of an organ or tissue because its cells grow in size Word Origin mid 19th cent.: from hyper- ‘beyond, exceeding’ + Greek -trophia ‘nourishment’.
See the Oxford Advanced American Dictionary entry: hypertrophy