SPICULES
- SPICULE, a needlelike structure, also SPICULA, SPICULUM [n]
- A short-lived, relatively small radial jet of gas in the chromosphere or lower corona of the sun
- 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 needlelike or sharp-pointed structures of calcite or silica that make up the skeleton of a sponge
- SPICULE, a needlelike structure [n]