Alkalize \Al"ka*lize\ ([a^]l"k[.a]*l[imac]z), v. t. [imp. & p. p. {Alkalized} ([a^]l"k[.a]*l[imac]zd); p. pr. & vb. n. {Alkalizing} ([a^]l"k[.a]*l[imac]`z[i^]ng).] [Cf. F. alcaliser.] To render alkaline; to communicate the properties of an alkali to. [1913 Webster] Alkaloid