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xerostomia

American

[zeer-uh-stoh-mee-uh] / ˌzɪər əˈstoʊ mi ə /

noun

Pathology.

dryness of the mouth caused by diminished function of the salivary glands due to aging, disease, drug reaction, etc.

xerostomia British

/ ˌziːrəˈstəʊmɪə /

noun

abnormal lack of saliva; dryness of the mouth

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of xerostomia

1885–90; xero- + New Latin -stomia a condition of the mouth, as specified by the 1st element; see -stome, -ia

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023