anhydrous
an.hy.drous \-'hi--dr*s\ aj [Gk anydros, fr. a- + hydo-r water - more at WATER] : free from water and esp. water of crystallization
an.hy.drous \-'hi--dr*s\ aj [Gk anydros, fr. a- + hydo-r water - more at WATER] : free from water and esp. water of crystallization