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spicule

noun
spic·​ule | \ ˈspi-(ˌ)kyül How to pronounce spicule (audio) \

Definition of spicule

1 : a slender pointed usually hard body especially : one of the minute calcareous or siliceous bodies that support the tissue of various invertebrates (such as sponges)
2 : a spikelike short-lived prominence appearing close to the chromosphere of the solar atmosphere
Other Words from spicule Example Sentences Learn More about spicule

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Other Words from spicule

spicular \ ˈspi-​kyə-​lər How to pronounce spicular (audio) \ adjective
spiculation \ ˌspi-​kyə-​ˈlā-​shən How to pronounce spiculation (audio) \ noun

Examples of spicule in a Sentence

Recent Examples on the Web

 The spicules surge thousands of miles high, passing through the chromosphere and into the sun’s corona before collapsing. — Nicholas St. Fleur, New York Times, "Solving the Scorching Mystery of the Sun’s Erupting Plasma Jets," 23 June 2017

First Known Use of spicule

1785, in the meaning defined at sense 1

History and Etymology for 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

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More Definitions for spicule

spicule

noun
spic·​ule | \ ˈspik-(ˌ)yü(ə)l How to pronounce spicule (audio) \

Medical Definition of spicule

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

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