Xero-

Xero- (prefix): Dry. From the Greek 'xeros' meaning 'dry.' Examples of words containing 'xero-' -- xeroderma is dry skin; xerophagia is eating a dry diet; xerophthalmia is dry eye; and xerostomia.
Found on http://www.medterms.com/script/main/art.asp?articlekey=11836

xero-

Dry. ... Origin: G. Xeros ... (05 Mar 2000) ...
Found on http://www.mondofacto.com/facts/dictionary?xero-

xero-

Type: Term Definitions: 1. Dry.
Found on http://www.medilexicon.com/medicaldictionary.php?t=100189

Xero-

prefix meaning dry
Found on http://www.encyclo.co.uk/local/21767
No exact match found