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protochordate

[proh-toh-kawr-deyt]
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noun Zoology.
  1. any of the nonvertebrate chordates, as the tunicates, cephalochordates, and hemichordates.
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Origin of protochordate

1890–95; < New Latin Protochordata name of the group; see proto-, chordate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for protochordate

protochordate

noun
  1. any chordate animal of the subphyla Hemichordata (acorn worms), Urochordata (tunicates), and Cephalochordata (lancelets)
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adjective
  1. of or relating to protochordates
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012