xerophobia 1. An abnormal fear of dryness or of dryplaces; such as, deserts where one may fear not getting enough water to survive. 2. In biology, an aversion to dry places by animals or an inability of certain plants to survive in dry places. 3. The inhibition of salivary flow resulting in a dry mouth, caused by emotional conditions ; such as, fe... Found on http://www.wordinfo.info/words/index/info/view_unit/2334/4