The Collaborative International Dictionary
Mannide
Mannide \Man"nide\, n. [Mannite + anhydride.] (Chem.) A white amorphous or crystalline substance, obtained by dehydration of mannite, and distinct from, but convertible into, mannitan.
Wiktionary
mannide
n. (context organic compound English) A white amorphous or crystalline substance obtained by dehydration of mannite, and distinct from, but convertible into, mannitan.