hypertrophy
noun/haɪˈpɜːtrəfi/
/haɪˈpɜːrtrəfi/
[uncountable] (biology)- an increase in the size of an organ or tissue because its cells grow in sizeWord Originmid 19th cent.: from hyper- ‘beyond, exceeding’ + Greek -trophia ‘nourishment’.
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hypertrophy