noun
anhydrous alcohol; absolute alcohol
Technical term used in chemistry and laboratory contexts for ethanol with very low water content.
実験では無水アルコールを溶媒として使った。
In the experiment, anhydrous alcohol was used as a solvent.
エタノール is the general term for ethanol, while 無水アルコール specifically refers to ethanol with very low water content.
Compound of 無水 (anhydrous) and アルコール (alcohol), a direct calque of the English term 'anhydrous alcohol'.