{ } a. [ L. vermiculosus. See Vermicule. ] Containing, or full of, worms; resembling worms. [ 1913 Webster ]

n. [ L. vermiculus, dim. of vermis worm. ] (Min.) A group of minerals having, a micaceous structure. They are hydrous silicates, derived generally from the alteration of some kind of mica. So called because the scales, when heated, open out into wormlike forms. [ 1913 Webster ]