rarefact

English

Etymology

From Middle French raréfaction.

Verb

rarefact (third-person singular simple present rarefacts, present participle rarefacting, simple past and past participle rarefacted)

(transitive, intransitive) To reduce in density.
- 2013, Beth Schrope, Surgical and Interventional Ultrasound
  As the ultrasound wave compresses and rarefacts through the medium, it causes microbubbles in the tissue to contract and expand.

Related terms

rarefaction

Translations

reduce in density

Russian: разреди́ть (ru) (razredítʹ)