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1. (n.) spicule
a small, needlelike crystal, process, or the like.
2. spicule
one of the small, hard, calcareous or siliceous bodies that serve as the skeletal elements of various marine and freshwater invertebrates.
Etymology: (1775–85; < L spīculum)
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| Definition of 'Spicule' |
Princeton's WordNet |
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1. (noun) spicule, spiculum
small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals
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| Definition of 'Spicule' |
Webster Dictionary |
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1. (noun) Spicule
a minute, slender granule, or point
2. (noun) Spicule
same as Spicula
3. (noun) Spicule
any small calcareous or siliceous body found in the tissues of various invertebrate animals, especially in sponges and in most Alcyonaria
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Definitions of Spicule 
