/hɜrˈmɛtɪk/ [hur-met-ik] – adjective
1. made airtight by fusion or sealing.
2. not affected by outward influence or power; isolated.
Now, therefore ~
if you will obey my voice in truth,
and keep my covenant,
then you shall be a peculiar treasure to me,
separated apart from and above all people,
for all the earth is mine...
~ Exodus 19:5