different between expiration vs obsolescence

English

Etymology

Borrowed from Middle French expiration, from Latin exsp?r?ti?nem, accusative singular of exsp?r?ti?.

Pronunciation

• IPA^(key): /??k.sp???e?.??n/
• Rhymes: -e???n

Noun

expiration (countable and uncountable, plural expirations)

1. The act of expiring.
2. The act or process of breathing out, or forcing air from the lungs through the nose or mouth

   respiration consists of inspiration and expiration

3. Emission of volatile matter; exhalation.
4. (euphemistic) The last emission of breath; death.
5. A cessation, extinction, ending
6. That which is produced by breathing out, as a sound.

Usage notes

In most senses, mainly US; UK equivalent is expiry.

Synonyms

• (breathing out): exhalation
• (cessation): termination, end

Antonyms

• (breathing out): inspiration, inhalation

Derived terms

• expiration date

Related terms

• expiry
• expire

Translations

French

Etymology

From Middle French expiration, borrowed from Latin exsp?r?ti?nem, accusative singular of exsp?r?ti?.

Pronunciation

Noun

expiration f (plural expirations)

1. expiration (act of expiring)
2. expiration (act of breathing out)
3. expiration (end)

Related terms

• expirer

Further reading

• “expiration” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

English

Etymology

From Latin obsolescens past participle of obsolescere.

Pronunciation

• (UK) IPA^(key): /??b.s??l?.s?ns/
• (US) IPA^(key): /??b.s??l?.s?ns/

Rhymes: -?s?ns

Noun

obsolescence (countable and uncountable, plural obsolescences)

1. (uncountable) The state of being obsolete—no longer in use; gone into disuse; disused or neglected.
   • 2019, Jason Hickel, Climate breakdown is coming. The UK needs a Greener New Deal in the Guardian.

     One way is to legislate extended warranties on products, so washing machines and refrigerators last for 30 years instead of 10. Another is to ban planned obsolescence, so manufacturers can’t create products that are designed to fail.

2. (countable) The process of becoming obsolete, outmoded or out of date.

Synonyms

• obsoleteness (much less common)
• obsoletion

Derived terms

• planned obsolescence

Related terms

Translations

French

Noun

obsolescence f (plural obsolescences)

1. obsolescence

Synonyms

• désuétude

Hypernyms

• vieillissement

Derived terms

• obsolescence programmée

Related terms

References

• “obsolescence” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Further reading

• “obsolescence” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).