Subtilization
Pronunciation : Sub`til*i*za"tion
Part of Speech : n.
Etymology : [Cf. F. subtilization.]
Definition : 1. The act of making subtile.
2. (Old Chem.)
Defn: The operation of making so volatile as to rise in steam or vapor.
3. Refinement; subtlety; extreme attenuation.
Source : Webster's Unabridged Dictionary, 1913