rarefact

verb

rarefact

verb

Etymology From Middle French raréfaction.

1

Ambitransitive To reduce in density.

As the ultrasound wave compresses and rarefacts through the medium, it causes microbubbles in the tissue to contract and expand.2013, Beth Schrope, Surgical and Interventional Ultrasound:

Related terms: rarefaction

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.