Definition, Meaning & Synonyms

vermiculite

Noun
/vərˈmɪkjʊlaɪt/
Definition
A natural mineral that expands into lightweight, fire-retardant particles when heated.
Examples
  • Vermiculite is commonly added to potting soil to improve aeration and moisture retention.
  • Builders often use vermiculite as insulation in attics and walls.
  • For seed starting, vermiculite can provide a lightweight medium that allows for easy root development.
Meaning
Vermiculite is often used in gardening and construction due to its excellent insulation properties and ability to retain moisture.
Synonyms
  • Expanded mica
  • Horticultural grit
  • Insulating material