Vermiculite

[vә:'mikjulait]

解释:

(noun.) any of a group of yellow or brown hydrous silicate minerals having a micaceous structure.

杰罗姆录入--From WordNet

解释:

(n.) 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.

编辑:雷金纳德