Definición de rarefaction en inglés:

rarefaction

Silabificación: rar·e·fac·tion
Pronunciación: /ˌre(ə)rəˈfakSHən
 
/
(also rarifaction)

sustantivo

  • 1Diminution in the density of something, especially air or a gas.
    Más ejemplos en oraciones
    • We hear nothing more of ‘separating out’ or even of rarefaction and condensation.
    • Anaximenes' notion of successive change of matter by rarefaction and condensation was influential in later theories.
    • Sound is a wave of compression and rarefaction in air.
  • 1.1 Medicine The lessening of density of tissue, especially of nervous tissue or bone.
    Más ejemplos en oraciones
    • Due to the relatively advanced age of the patients included in our study, marked rarefaction of the spongy bone tissue was present, but signs of metabolic bone disease, that is, osteomalacia, were not found in any of the cases.
    • Loss of pain sensation together with possible rarefaction of the bones of the neuropathic foot can have serious consequences.
    • Numerous platelets appeared in the lumen, some of which showed signs of degeneration with swelling and rarefaction.

Origen

early 17th century: from medieval Latin rarefactio(n-), from the verb rarefacere 'grow thin, become rare'.

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Palabra del día grotesquerie
Pronunciación: grəʊˈtɛskəri
noun
grotesque quality or grotesque things collectively