Vermiculite

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Vermiculite \Ver*mic"u*lite\, 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] Vermiculose