An Airtight Seal Is Also Known as This
This page is the CodyCross answer for the clue below from Campsite Adventures, Group 839, Puzzle 5 (Midnight Swim).
Question is: An Airtight Seal Is Also Known as This
and the answer is: HERMETIC
Word Meaning:
HERMETIC — (chiefly capitalized, Greek mythology) Pertaining to the ancient Greek Olympian god Hermes.
Definitions from Wiktionary.