xenology

Main Entry:  xenology1
Part of Speech:  n
Definition:  the scientific study of extraterrestrials, esp. their biology
Usage:  xenologist n
Dictionary.com's 21st Century Lexicon
Main Entry:  xenology2
Part of Speech:  n
Definition:  the scientific study of the relationships between parasites and their hosts
Dictionary.com's 21st Century Lexicon
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