Alchemists Thought It Was a Universal Solvent

This page is the CodyCross answer for the clue below from Space Exploration, Group 914, Puzzle 1 (Unpiloted Probes).

Question is: Alchemists Thought It Was a Universal Solvent

and the answer is: ALKAHEST

Word Meaning:

ALKAHEST — (now historical) A universal solvent sought by the alchemists.

Definitions from Wiktionary.