raréfaction

See also: rarefaction

French

Etymology

From Medieval Latin rārēfactiō, from rarefaciō (“I rarefy”).

Noun

raréfaction f (plural raréfactions)

act of becoming more rare
- 2017 February 9, Christophe Alix, “Le travail maté par les automates?”, in Libération‎:
  Après les caisses automatiques qui ont permis aux groupes de réduire leurs effectifs, l’invention par Amazon d’un supermarché sans caissier pourrait devenir le symbole de la raréfaction de l’emploi.
(physics, dated) rarefaction (reduction in the density of a material)

Antonyms

(rarefaction): condensation

Further reading

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

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