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hermetically sealed


with an airtight seal; orig., sealed by chemists' methods


Bread is best kept hermetically sealed.

Word Origin

1692; fr. Hermes, first chemist's 21st Century Lexicon
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Examples from the Web for hermetically sealed
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Historical Examples
  • The whole house was locked and barred; "hermetically sealed," says "L'Abeille" of the next morning.

    Strange True Stories of Louisiana George Washington Cable
  • The atmosphere was getting dense, for every opening was hermetically sealed.

    The Field of Ice Jules Verne
  • Do they commit suicide in despair, or wrench open tight drawers and cupboards and hermetically sealed bottles for practice?

    Yesterdays with Authors James T. Fields
  • I was almost like a boiler, filled with steam and hermetically sealed.

  • The sides and sash of the window were then hermetically sealed; the register of the fireplace was closed, and sealed also.

    A Great Man Arnold Bennett
  • I was almost like a boiler filled with steam and hermetically sealed.

  • Then issuing from the tube, they ranged themselves around it, while its opening was hermetically sealed.

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