Wiktionary
hermetic seals
n. (plural of hermetic seal English)
Usage examples of "hermetic seals".
So I told him what I'd learned: the hermetic seals, the quetzal feather, the fer-de-lance, the One Called Night, the Nothing.
Other than heat scarring, the droid looked sound, and the fuss he was making confirmed that his hermetic seals remained intact after both fire and submersion.
They got in their cars and drove on freeways, smoking cigarettes and holding high-energy radio transmitters against their heads, in order to get to newsrooms where they were greatly concerned to find out if they were in danger from microbacteria locked away behind triple hermetic seals in Houston.
Behind hermetic seals, the place was clean as a hospital and had the same feel.