Source : Webster's Revised Unabridged Dictionary (1913)

Metallurgic \Met`al*lur"gic\, Metallurgical \Met`al*lur"gic*al\,
   a. [Cf. F. m['e]tallurgique.]
   Of or pertaining to metallurgy.

Source : WordNet®

metallurgical
     adj : of or relating to metallurgy; "metallurgical engineer" [syn:
            {metallurgic}]