Link Centre Dictionary

rarefaction

ra·re·fac·tion

uncommon

noun

1.

a decrease in the density of something

  • “a sound wave causes periodic rarefactions in its medium”

Origin

From Middle French raréfaction. By surface analysis, rarefy + -faction.

Related words

Word family

Broader terms

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.