Dictionary
hy•per•ten•sion
Pronunciation: (hī"pur-ten'shun), [key]—
n.
1. Pathol.
a. elevation of the blood pressure, esp. the diastolic pressure.
b. an arterial disease characterized by this condition.
2. excessive or extreme emotional tenseness.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.