ver·mic·u·lite (v r-m k y-l t )n. Any of a group of micaceous hydrated silicate minerals related to the chlorites and used in heat-expanded form as insulation and as a planting medium. [Latin vermiculus, diminutive of vermis, worm; see vermicular + -ite.] |
vermiculite [vɜːˈmɪkjʊˌlaɪt]
n
(Earth Sciences / Minerals) any of a group of micaceous minerals consisting mainly of hydrated silicate of magnesium, aluminium, and iron: on heating they expand and exfoliate and in this form are used in heat and sound insulation, fireproofing, and as a bedding medium for young plants
[from vermicul(ar) + -ite1]
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | vermiculite - any of a group of yellow or brown hydrous silicate minerals having a micaceous structure mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
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