xeroma
         n 1: abnormal dryness of the conjunctiva and cornea of the eyes;
               may be due to a systemic deficiency of vitamin A [syn:
               {xerophthalmia}, {xerophthalmus}, {xeroma}, {conjunctivitis
               arida}]

English Dictionary: xeroma	by the DICT Development Group
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
XRN          A newsreader program for {Usenet} news running under the {X       Window System}.