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Houghton Mifflin

ben·thos  audio  (bnths) KEY 

NOUN:
  1. The collection of organisms living on or in sea or lake bottoms.
  2. The bottom of a sea or lake.

ETYMOLOGY:
Greek

OTHER FORMS:
benthic  (-thk) KEY  or ben·thonic  (bn-thnk) KEY (Adjective)


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