·noun A sweet white efflorescence from dried fronds of kelp, especially from those of the Laminaria saccharina, or devil's apron.
II. Mannite ·noun A white crystalline substance of a sweet taste obtained from a so-called manna, the dried sap of the flowering ash (Fraxinus ornus);
— called also mannitol, and hydroxy hexane. ·cf. Dulcite.