Definition of zooid
: one of the asexually produced individuals of a compound organism (such as a bryozoan, hydroid, or coral colony)
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Recent Examples of zooid from the Web
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The creatures, made up of individual zooids -- small, multicellular organisms -- normally reside in warmer waters, like the tropics, and usually don't travel farther north than the waters off southern California.
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Inside the wall of this gelatinous tube, which can get up to 60 cm, individual zooids are tightly packed together.
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These zooids have an incurrent and excurrent siphon and use cilia to pump water for feeding, respiration and movement.
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In fact, these giants, called pyrosomes, are actually made up of thousands of much smaller creatures called zooids.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'zooid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of zooid
1851
Medical Dictionary
medical Definition of zooid
: one of the asexually produced individuals of a compound organism (as a coral colony)
Learn More about zooid
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Britannica.com: Encyclopedia article about zooid
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