'Rarification' definitions:

Definition of 'Rarification'

From: 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]