GNU Collaborative International Dictionary of English

Found one definition

1.       
   Metrification (?), n.
   1.  Composition in metrical form; versification. [R.]  Tennyson.
   
   [1913 Webster]
   
   
   2. The act or process of converting the standard system of units of a country to those of the metric system; metrication.
   
   [PJC]