Meaning of Addison's disease

Ad'dison's disease"

Pronunciation: [key]
— Pathol. Pathol.
  1. a disease characterized by asthenia, low blood pressure, and a brownish coloration of the skin, due to decreased secretion of cortisol from the adrenal cortex, resulting in hypoadrenalism.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.