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trophosome

[trof-uh-sohm, troh-fuh-]
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noun Zoology.
  1. an organ in deep-sea tube worms that is colonized by bacteria supplying the host worm with food and energy.
  2. a similar organ in other marine worms.
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Origin of trophosome

First recorded in 1865–70; tropho- + -some3
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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