Definition:
spicules
- spiculesA minute sharp-pointed object or structure that is typically present in large numbers, such as a fine particle of ice
- spiculesA short-lived, relatively small radial jet of gas in the chromosphere or lower corona of the sun
- spiculesEach of the small needlelike or sharp-pointed structures of calcite or silica that make up the skeleton of a sponge
- spiculesSPICULE, a needlelike structure, also SPICULA, SPICULUM