- dryness of the mouth caused by diminished function of the salivary glands due to aging, disease, drug reaction, etc.
Origin of xerostomia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for xerostomia
Xerostomia, or dry mouth, is a rare condition, connected with lack of salivary secretion.
- abnormal lack of saliva; dryness of the mouth
C19: from xero- + -stom (e) + -ia
- Dryness of the mouth resulting from diminished or arrested salivary secretion.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.