actine

1 of 2

noun

ac·​tine
ˈak-ˌtīn,
-tən
plural -s
: a star-shaped spicule (as of a sponge)

-actine

2 of 2

adjective combining form

¦ak-(ˌ)tīn,
-tən
: having (such or so many) rays
discoactine
pentactine
—especially in terms applied to sponge spicules

Word History

Etymology

Noun

Greek aktin-, aktis ray

Adjective combining form

Greek aktin-, aktis

First Known Use

Noun

1887, in the meaning defined above

Time Traveler
The first known use of actine was in 1887

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Dictionary Entries Near actine

actinautographic

actine

-actine

See More Nearby Entries 

Cite this Entry

“Actine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/actine. Accessed 29 Nov. 2024.

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