rarefaction

In untreated fish, one of the most striking signs of kidney decline was the gradual loss of capillaries, a process known as vascular rarefaction.

From Science Daily ● Jan. 30, 2026

The results from both of these null models were qualitatively consistent, so we only report findings using the equiprobable rows, fixed columns model, as it is more consistent with rarefaction of the observation tables.

From Nature ● Oct. 31, 2017

Figure 17.4 As the string moves to the left, it creates another compression and rarefaction as the ones on the right move away from the string.

From Textbooks ● Aug. 12, 2015

This is how noise-canceling headphones work—they produce a sound wave that resembles the wave responsible for the unwanted sound, but with the original phases of rarefaction and compression flipped.

From Scientific American ● Dec. 12, 2013

These winds are caused by the rarefaction of the air over large districts of country situated on the polar edge, or near the polar edge, of the trade-winds.

From The Philosophy of the Weather And a Guide to Its Changes by Thomas Belden Butler