Chemical Also Known as Calcium Oxide
This page is the CodyCross answer for the clue below from Architectural Styles, Group 1171, Puzzle 5 (Guggenheim Museum).
Question is: Chemical Also Known as Calcium Oxide
and the answer is: QUICKLIME
Word Meaning:
QUICKLIME — Calcium oxide, which is produced by heating (calcining) limestone and gives slaked lime on treatment with water.
Definitions from Wiktionary.