n. 1. Same as mannitol. [ PJC ]
2. (Bot.) A sweet white efflorescence from dried fronds of kelp, especially from those of the Laminaria saccharina, or devil's apron. [ 1913 Webster ]
n. [ So called because found in the unripe fruit of the bean (Phaseolus vulgaris). ] (Chem.) Same as Inosite. [ 1913 Webster ]
n. [ So named after J. C. Ullman, a German chemist. ] (Min.) A brittle mineral of a steel-gray color and metallic luster, containing antimony, arsenic, sulphur, and nickel. [ 1913 Webster ]