Source : Webster's Revised Unabridged Dictionary (1913)

Aluminize \A*lu"mi*nize\ ([.a]*l[=u]*m[i^]*n[imac]z), v. t.
   To treat or impregnate with alum; to alum.

Source : WordNet®

aluminize
     v : cover with aluminum [syn: {aluminise}]