RAREFY • DICCIONARIO INGLES.COM • Definition of Rarefy

... a certain type of criticism which, it may be said, has been widely prevalent in recent years: "In the very short time that I have been in the hands of the critics, nothing has amazed me more than the timid solicitudes with which they rarefy in one line any enthusiasm they may have condensed in another — a process curiously analogous to those irregular condensations and rarefactions of air which physicists have shown to be the conditions of producing an indeterminate sound. Many of my critics have seemed — if ...

— Sidney Lanier • Edwin Mims