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spiculum

noun

1 spiculum

Small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals.

synonym: spicule.

Roget 253: sharpness etc. adj.; acuity, acumination; spinosity.    point, spike, spine, spicule [Biol.], spiculum; needle, hypodermic needle, tack, ... show more


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