Architects Design Opera Houses With This in Mind
This page is the CodyCross answer for the clue below from Spa Time, Group 813, Puzzle 5 (Rejuvenation).
Question is: Architects Design Opera Houses With This in Mind
and the answer is: ACOUSTICS
Word Meaning:
ACOUSTICS — (physics) The science of sounds, teaching their nature, phenomena and laws.
Definitions from Wiktionary.