"excessive growth," 1821, from hyper- "over, exceedingly, to excess" + -trophy "nourishment." Related: Hypertrophic.
muscles can hypertrophy when people take steroids
hypertension
hypertext
hyperthermia
hyperthyroidism
hypertonic
hypertrophy
hyperventilate
hyperventilation
hypervigilance
hypha
hyphen
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