Sphaeridium Definition

noun

(zoology) A sense organ found on the exterior of most sea urchins, consisting of an oval or spherical head surmounting a short pedicel. It is generally supposed to be an olfactory organ.

Wiktionary

Other Word Forms of Sphaeridium

Noun

Singular:
sphaeridium
Plural:
sphaeridia

Origin of Sphaeridium

  • From Ancient Greek a sphere.

    From Wiktionary

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sphaeridium