Amidin
Amidin ({not transcribed}) , noun
[Compare French amidine, from amido{not transcribed} starch, from Latin amylum, Greek {not transcribed} fine meal, neut. of {not transcribed} not ground at the mill, -- hence, of the finest meal; 'a priv. + {not transcribed}, {not transcribed}, mill. See Meal.]
(Chemistry) Start modified by heat so as to become a transparent mass, like horn. It is soluble in cold water.