actine

noun
ac·tine | \ˈak-ˌtīn, -tən\
plural -s

Definition of actine 

(Entry 1 of 2)

: a star-shaped spicule (as of a sponge)

\¦ak-(ˌ)tīn, -tən\

Definition of -actine (Entry 2 of 2)

: having (such or so many) rays discoactine pentactine especially in terms applied to sponge spicules

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First Known Use of actine

Noun

1887, in the meaning defined above

History and Etymology for actine

Noun

Greek aktin-, aktis ray

Adjective combining form

Greek aktin-, aktis

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The first known use of actine was in 1887

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