Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun 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.

from The Century Dictionary.

  • noun In mineralogy, one of a group of hydrous silicates having a micaceous structure, and in most cases derived from the common micas by alteration.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun mineralogy A hydrated silicate mineral which expands on heating; it is used in insulation and as a medium for planting

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun any of a group of yellow or brown hydrous silicate minerals having a micaceous structure

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin vermiculus, diminutive of vermis, worm; see vermicular + –ite.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin vermiculus, wormlet for its fibrous nature and tendency to expand into worm-like shapes when heated

Examples

  • The name vermiculite was created from the Latin word for worm, vermiculus.

    Vermiculite

  • This year it is to be micro-plants, grown in vermiculite.

    Jean's Knitting

  • This year it is to be micro-plants, grown in vermiculite.

    Archive 2009-08-01

  • I need some stuff called vermiculite to condition the soil so that the roots grow well.

    Photo Collage

  • I need some stuff called vermiculite to condition the soil so that the roots grow well.

    Archive 2006-08-01

  • Some lightweight mineral and rock materials, such as vermiculite, diatomite and perlite are similar to micas and can be used in place of mica.

    Mica

  • If seeds must be shipped over long distances, it may be possible to prolong viability somewhat by packing them in a moist, well-aerated medium, such as vermiculite or sawdust, in a perforated plastic bag inside an air-porous bag.

    Chapter 5

  • A: Most potting soil or seed-starting media that you purchase in a garden center is pasteurized and contains inert material, such as vermiculite or perlite, which is sterile.

    Homepage | INFORUM | Fargo, ND

  • A: Most potting soil or seed-starting media that you purchase in a garden center is pasteurized and contains inert material, such as vermiculite or perlite, which is sterile.

    Homepage | INFORUM | Fargo, ND

  • Instead of tilling the dirt and pumping in fertilizer, you build a big box, put a liner on the bottom, and fill it with a mixture of peat moss, vermiculite and compost.

    Boing Boing

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