expiration

(ĕk'spə-rā'shən)
n.

1. The act of coming to a close; termination: the expiration of a contract.
2. The act of breathing out; exhalation.
3. Archaic. Death.

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Banking: date on which a contract or agreement ceases to be effective.


Options trading: last day on which an option can be exercised. If it is not, traders say that the option expired worthless.

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n

Definition: finish, demise
Antonyms: beginning, birth, commencement, inception, start

For a list of words related to expiration, see:

• Respiratory System - expiration: exhalation
• Physiology - expiration: movement of air out of lungs

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