Source : Webster's Revised Unabridged Dictionary (1913)

Alkalize \Al"ka*lize\ ([a^]l"k[.a]*l[imac]z), v. t. [imp. & p.
   p. {Alkalized}; p. pr. & vb. n. {Alkalizing}.] [Cf. F.
   alcaliser.]
   To render alkaline; to communicate the properties of an
   alkali to.