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

metallic \metal"lic\, a. l. metallicus, fr. metallum: cf. f.
   m'etallique. see metal.
   1. of or pertaining to a metal; of the nature of metal;
      resembling metal; as, a metallic appearance; a metallic
      alloy.
      1913 webster

   2. chem. of, pertaining to, or characterized by, the
      essential and implied properties of a metal, as contrasted
      with a nonmetal or metalloid; conductive of electricity;
      basic; forming positive ions in solution; antacid.
      1913 webster +pjc

   metallic iron, iron in the state of the metal, as
      distinquished from its ores, as magnetic iron.

   metallic paper, paper covered with a thin solution of lime,
      whiting, and size. when written upon with a pewter or
      brass pencil, the lines can hardly be effaced.

   metallic tinking med., a sound heard in the chest, when a
      cavity communicating with the air passages contains both
      air and liquid.
      1913 webster
see also:
metal metallic iron metallic paper metallic tinking 

[2] : WordNet (r) 2.0

metallic
     adj : containing or made of or resembling or characteristic of a
           metal; "a metallic compound"; "metallic luster"; "the
           strange metallic note of the meadow lark, suggesting
           the clash of vibrant blades"- ambrose bierce syn: metala
           ant: nonmetallic
see also:
metala nonmetallic 

[3] : Moby Thesaurus II by Grady Ward, 1.0

32 moby thesaurus words for "metallic":
   brassy, brazen, choked, coarse, cracked, croaking, croaky, dry,
   gruff, guttural, harsh, harsh-sounding, hoarse, husky, metal,
   metallike, metalline, metalloid, organometallic, ragged, raucid,
   raucous, rough, roupy, rude, squawking, squawky, stertorous,
   strangled, thick, throaty, tinny

Metallic >> M Words
Metallic, definition of term: Metallic
metallic_pag1.html