Recent Examples on the WebFor rarity, for sheer automotive rarefaction, the flagship of BMW’s 2 billion-euro i Division makes those cars look like link sausage. Dan Neil, WSJ, 31 Aug. 2017 Here is art that turns confectionery into both rarefaction and panache. Alastair Macaulay, New York Times, 19 May 2017
Word History
Etymology
French or Medieval Latin; French raréfaction, from Medieval Latin rarefaction-, rarefactio, from Latin rarefacere to rarefy