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  1. spic·ule
    IPA[ˈspikyo͞ol]
  2. noun

    • 1. a minute sharp-pointed object or structure that is typically present in large numbers, such as a fine particle of ice.

    • 2. each of the small needle-like or sharp-pointed structures of calcite or silica that make up the skeleton of a sponge.

    • 3. a short-lived, relatively small radial jet of gas in the chromosphere or lower corona of the sun.

  3. Variation

    • n.: noun: spicule, plural noun: spicules

    • noun

      a minute sharp-pointed object or structure that is typically present in large numbers, such as a fine particle of ice.

      each of the small needle-like or sharp-pointed structures of calcite or silica that make up the skeleton of a sponge.

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