The Collaborative International Dictionary of English v.0.48:

Alcoholate \Al"co*hol*ate\ ([a^]l"k[-o]*h[o^]l*[asl]t), n. [Cf.
   F. alcolaie.] (Chem.)
   A crystallizable compound of a salt with alcohol, in which
   the latter plays a part analogous to that of water of
   crystallization. --Graham.
   [1913 Webster]