View synonyms for mollusk


or mol·lusc

[ mol-uhsk ]


  1. any invertebrate of the phylum Mollusca, typically having a calcareous shell of one, two, or more pieces that wholly or partly enclose the soft, unsegmented body, including the chitons, snails, bivalves, squids, and octopuses.


/ mŏləsk /

  1. Any of numerous invertebrate animals of the phylum Mollusca, usually living in water and often having a hard outer shell. They have a muscular foot, a well-developed circulatory and nervous system, and often complex eyes. Mollusks include gastropods (snails and shellfish), slugs, octopuses, squids, and the extinct ammonites. Mollusks appear in the fossil record in the early Cambrian Period, but it is not known from what group they evolved.

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Other Words From

  • mol·lus·kan mol·lus·can [m, uh, -, luhs, -k, uh, n], adjective noun
  • mollusk·like adjective

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Word History and Origins

Origin of mollusk1

1775–85; < French mollusque < New Latin Mollusca; Mollusca

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Example Sentences

Now a team has shown that oysters, mussels and other mollusks use a complex process to grow the gems that follows mathematical rules seen throughout nature.

Pearls are formed when an irritant gets trapped inside a mollusk, and the animal protects itself by building smooth layers of mineral and protein — together called nacre — around it.

They also teamed up with the University of California, Irvine’s Department of Molecular and Computational Biological Sciences to breed super mollusks that reproduce prolifically, grow quickly, and have a greater Omega-3 content.

All the different types of fish I got to know extremely well, otters, even some of the mollusks.

Most importantly, mollusks are nature’s water filters, able to clean up big messes.

It's at a time like this that Germans yearn most for Paul the Octopus, the great mollusk soothsayer for Germany.

You could be a generalist—a poet/mollusk scientist/seafarer/surgeon.

At low tide we saw a large mollusk-shell traveling toward the shore, and wondered why such unaccustomed speed in its movements.

The mollusk of Canada Pliocene clay has undergone no change since its first appearance upon our globe.

The Chiton ruber, a jointed mollusk, was also found here, and five species of sea-anemones were counted.

He desired the shell of the mollusk that burrowed in the cleft of the cliff.

He had lain there in the sand for some time, as motionless as a mollusk at low water.


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