expiration

/ˌekspəˈreɪʃn/ (bre, ipa) · /ˌekspəˈreɪʃn/ (ame, ipa) · /ˌek-spə-ˈrā-shən/ (ame, mw)

expiration — noun

  • expirationsingular
  • expirationsplural

1. the point when a document, contract, offer, or stored product reaches its final

1.名詞B1
釋義

the point when a document, contract, offer, or stored product reaches its final usable date and cannot be used in the same way anymore.

例句

Dario noticed the card's expiration before he tried to rent a car.

card or permit expiration

The pharmacist checked the expiration on the cough syrup bottle.

expiration on medicine labels

同義詞
  • expiry

    same basic meaning, especially common in British English and on labels

  • termination

    more formal and common in legal or contract language

  • end

    much broader and does not itself suggest official validity

反義詞
  • renewal

    the act of making something valid for another period

  • extension

    a longer period before the item or agreement ends

文法句型

expiration date

expiration of + [document/lease/offer]

用法筆記

Most often used for documents, contracts, medicines, offers, and food labels. In everyday English, people often say 'expiration date' when they mean the printed final usable day.

常見錯誤

❌My passport is on expiration next week.
✅My passport expires next week.
💡Use the verb 'expires' for an upcoming deadline; the noun usually appears in phrases like 'expiration date'.
❌The yogurt is after expiration, so we can still eat it.
✅The yogurt is past its expiration date, so we should throw it away.
💡Use 'past its expiration date' for food that is no longer safe or fresh.

2. the act of sending air out of the lungs after breathing in.

2.名詞C1
釋義

the act of sending air out of the lungs after breathing in.

例句

The nurse measured expiration and inhalation during the breathing test.

medical contrast: expiration and inhalation

Daichi held his breath, then released a slow expiration through his nose.

slow expiration through the nose

同義詞
反義詞

文法句型

expiration and inhalation

during expiration

用法筆記

Common in medicine, physiology, and breathing instruction. Outside technical contexts, speakers usually say 'breathing out' or 'exhalation' instead.

常見錯誤

❌Take one big expiration and hold it.
✅Take one big inhalation and hold it.
💡An expiration is air going out, not air coming in.
❌The therapist asked me to stop after one inhalation.
✅The therapist asked me to stop after one expiration.
💡Use 'expiration' when the air leaves the lungs.

3. a formal or old-fashioned way to refer to death or a person's final moment of li

3.名詞C2
釋義

a formal or old-fashioned way to refer to death or a person's final moment of life.

例句

The old novel describes the queen's expiration at sunrise after a week of fever.

historical or literary use for death

Christopher's expiration was announced by the monastery bell before breakfast.

同義詞
  • death

    the normal neutral word in modern English

  • demise

    formal, but still more current than 'expiration' in this sense

  • passing

    gentler and euphemistic

反義詞
  • life

    the state of being alive

  • birth

    the beginning of life

文法句型

somebody's expiration

at the time of expiration

用法筆記

This sense appears mainly in historical writing, literature, or deliberately formal reporting. In normal modern English, people usually say 'death', 'dying', or the verb 'die' instead.

常見錯誤

❌The news report mentioned her expiration yesterday afternoon.
✅The news report mentioned her death yesterday afternoon.
💡In current everyday English, 'expiration' for death sounds overly old-fashioned or clinical.