Word.ws English Dictionary

sphaeridium

sphaeridium noun: synonym of capitulum.

Noun

sphaeridium (plural sphaeridia)

  1. Synonym of capitulum.
    Synonyms:
    capitulum
  2. 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

Synonyms of sphaeridium

Forms of sphaeridium

pluralsphaeridia

Origin of sphaeridium

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

Words formed from sphaeridium

Questions about sphaeridium

What does sphaeridium mean?
Sphaeridium means synonym of capitulum.
What part of speech is sphaeridium?
Sphaeridium is a noun.
What is the plural of sphaeridium?
The plural of sphaeridium is sphaeridia.

Words near sphaeridium in the dictionary

  1. sphaerexochine
  2. sphaerexochines
  3. sphaeriaceous
  4. sphaeridia
  5. sphaeridial
  6. sphaeridium
  7. sphaeriid
  8. sphaeriids
  9. sphaerioid
  10. sphaeristeria
  11. sphaeristerium

Source and license

Adapted from Wiktionary: sphaeridium (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “sphaeridium.” Word.ws, https://word.ws/sphaeridium. Based on Wiktionary, CC BY-SA 4.0.