hypotonia

n.

1876, medical Latin, from hypo- + Greek tonos "tone" (see tenet).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for hypotonia

hypotonia

[ hī′pō-tōnē-ə ]

n.

Reduced tension or pressure, as of the intraocular fluid in the eyeball.
Relaxation of the arteries.
A condition in which there is diminution or loss of muscular tonicity, resulting in stretching of the muscles beyond their normal limits.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.