Meaning of hyperinsulinism

hy•per•in•su•lin•ism

Pronunciation: (hī"pur-in'su-li-niz"um, -ins'yu-), [key]
— n. Pathol.
  1. excessive insulin in the blood, resulting in hypoglycemia.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.