synaptase

from The Collaborative International Dictionary of English v.0.48

Synaptase \Syn*ap"tase\, n. [Gr. ? fastened together +
   diastase.] (Chem.)
   A ferment resembling diastase, found in bitter almonds. Cf.
   {Amygdalin}, and {Emulsin}.
   [1913 Webster]