rarefy

About 0.01 uses per million words.

Meaning

1. verb To make rare, thin, porous, or less dense.
2. verb To become rare, thin or less dense.

Similar words

attenuate subtilize sublimate rarify subtiliate rarefact densitize thin out scarcen sparsen

Often followed by

the and it been air

Word family

rarefied rarefies rarefying rarified rarifies rarify rarifying