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Definition of siphonoplax

siphonoplax

/saɪˈfɒnəplæks/
si · phon · o · plax
Plural:siphonoplaces
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siphonoplax Lexical Profile

• noun

1

A calcareous, chitinous, or horny plate or tubular extension at the posterior end of the shell in certain bivalve mollusks, functioning to protect the animal's siphons.

Example

"The malacologist carefully measured the siphonoplax of the boring bivalve to understand how it shields its vulnerable siphons from abrasive rock."

• Nearby Words

sinningia
sino tibetan pit viper
sinu
siphonoplax
siren
siret
sirex

Word Origin & Etymology

Derived from Greek 'siphōn' (tube, pipe) and 'plax' (flat plate or tablet).

Cite this Entry

Wordmom. (2026). Definition of Siphonoplax. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/siphonoplax
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