anhydrous

Etymology

an- + Ancient Greek ὕδωρ (húdōr, “water”) + -ous.

adj

1. Having little or no water.
2. (chemistry) Having no water of crystallization.
   Volatiles of kecap manis and its raw materials were extracted using Likens-Nickerson apparatus with diethyl ether as the extraction solvent. The extracts were then dried with anhydrous sodium sulfate, concentrated using a rotary evaporator followed by flushing using nitrogen until the volume was about 0.5 ml. 1997, A. J. Taylor, D. S. Mothram, editors, Flavour Science: Recent Developments, Elsevier, page 63