expiration


Pronunciation key

( ek′spə-rā′shən )

ex•pi•ra•tion

n.

[L. expiratio, exspiratio pp. of expirare see EXPIRE].

  1. The act of breathing out air from the lungs.
    • Something breathed out.
    • A sound made, etc. from breathing out,
  3. Breathing out such as one's last dying breath, therefore,
  4. The event of something coming to an end, terminating.
  5. Obs. Death.

See Diaphragm.

References

  • Webster's New World Dictionary of the American Language (College Edition) ©1955
  • The World Book Encyclopedia ©1981
  • Encyclopedia Britannica Micropedia ©1984
  • The American Heritage Dictionary, Second College Edition ©1985

    • Related Terms

  • expiratory
  • expire
  • expiry

    • Further Reading

  • expiration (definition)
  • expiration (definition)
  • expiration (definition)
  • expiration (definition)
  • expiration date (definition)
  • expiration (definition)
  • expiration date (definition)
  • expiration (definition)
  • expiration (definition)
  • expiration (definition)

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