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spicule

play
noun spic·ule \ˈspi-(ˌ)kyül\

Definition of spicule

  1. 1 :  a slender pointed usually hard body; especially :  one of the minute calcareous or siliceous bodies that support the tissue of various invertebrates (as sponges)

  2. 2 :  a spikelike short-lived prominence appearing close to the chromosphere of the solar atmosphere

spicular

play \ˈspi-kyə-lər\ adjective

spiculation

play \ˌspi-kyə-ˈlā-shən\ noun


Origin and Etymology of spicule

New Latin spicula & Latin spiculum; New Latin spicula, alteration of Latin spiculum head of a spear or arrow, diminutive of spicum, spica ear of grain


First Known Use: 1785


Medical Dictionary

spicule

play
noun spic·ule \ˈspik-(ˌ)yü(ə)l\

Medical Definition of spicule

  1. :  a minute slender pointed usually hard body (as of bone)




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