Lycopodium powder

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a fine powder or dust composed of the spores of Lycopodium, and other plants of the order Lycopodiaceæ. It is highly inflammable, and is sometimes used in the manufacture of fireworks, and the artificial representation of lightning.

See also: Lycopodium

References in periodicals archive ?
Absorbant lycopodium powder is applied with the palm of the hands to keep pits dry.