- The definition of anhydrous is without water.
Gaseous ammonia and gaseous hydrogen chloride are examples of anhydrous substances.
- without water
- Chem. having no water of crystallization; not hydrated
Origin: Classical Greek anydros ; from an-, without plush hydōr, water
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Origin: From Greek anudros : an-, without; see a-1 + hudōr, water; see wed-1 in Indo-European roots.
anhydrous - Medical Definition
anhydrous - Science Definition
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