Rarification

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Rarification \Rar`i*fi*ca"tion\
     (r[a^]r`[i^]*f[i^]*k[=a]"sh[u^]n), n.
     See {Rarefaction}. [R.] --Am. Chem. Journal.
     [1913 Webster]