sphaeridium

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sphaeridium

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From Ancient Greek σφαιρίδιον (sphairídion, “sphere (diminutive form)”), by surface analysis, sphero- + -idium.

noun sphaeridia

Synonym of capitulum.
Similar: capitulum
A tiny, spherical appendage, generally formed in masses to form a kind of sense organ, found on the test of most sea urchins. It is generally supposed to be an olfactory organ, or for equilibrium, similar to the otolith

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MLA

"sphaeridium." Wiktionary, via Micwyn, micwyn.com/word/sphaeridium. Accessed 6 Nov. 2026.

APA

sphaeridium. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/sphaeridium

Chicago

"sphaeridium." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/sphaeridium.

BibTeX

@misc{sphaeridium_2026,
  title = {sphaeridium},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/sphaeridium},
  urldate = {2026-11-06}
}