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diatomaceous earth

/ˌdaɪ.ə.təˈmeɪ.ʃəs ɜːrθ/

Traduction: Roche sédimentaire siliceuse tendre et friable, se réduisant en une poudre fine blanche ou blanc-grisâtre. Constituée de restes fossilisés de diatomées, elle est utilisée pour la filtration, comme abrasif doux, comme insecticide et à des fins industrielles diverses.

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/ˌdaɪ.ə.təˈmeɪ.ʃəs ɜːrθ/C1formaltechnical
  • frRoche sédimentaire siliceuse tendre et friable, se réduisant en une poudre fine blanche ou blanc-grisâtre. Constituée de restes fossilisés de diatomées, elle est utilisée pour la filtration, comme abrasif doux, comme insecticide et à des fins industrielles diverses.

A naturally occurring, soft, siliceous sedimentary rock that is easily crumbled into a fine white to off-white powder. It is composed of the fossilized remains of diatoms, a type of hard-shelled microalgae, and is used in filtration, as a mild abrasive, as a pest control agent, and in various industrial applications.

  1. Sedimentary rock powderC1formal

    A naturally occurring, soft, siliceous sedimentary rock that is easily crumbled into a fine white to off-white powder. It consists of the fossilized remains of diatoms, a type of hard-shelled algae.

    frterre de diatomées

    • Diatomaceous earth is commonly used as a filtration aid in swimming pools.
    • Gardeners often use food-grade diatomaceous earth to control pests like ants and bed bugs.
    • The abrasive properties of diatomaceous earth make it useful in industrial polishes and toothpastes.