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Definition of "hermetically sealed" []

  • Sealed with an airtight hermetic seal (adjective)

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Use "hermetically sealed" in a sentence
  • "The original handbook was kept hermetically sealed in a glass case in the center lobby of the Easton Library, locked up tight."
  • "We are forced to accept the fact that, contrary to all known laws, a change goes on in the contents of this hermetically sealed vessel which makes them heavier and lighter in a ratio roughly, but not exactly, proportional to their apparent bulk (Cavène, 333-39)."
  • "[Page 13] * The common idea as to uninhabited rooms, is that they may safely be left with doors, windows, shutters, and chimney-board, all closed – hermetically sealed if possible – to keep out the dust, it is said; and that no harm will happen if the room is but opened"