• synonyms


  1. having two germ layers, the ectoderm and endoderm, as the embryos of sponges and coelenterates.
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Origin of diploblastic

First recorded in 1880–85; diplo- + -blast + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for diploblastic

Historical Examples of diploblastic

  • A diploblastic condition of the organism preceded, as we have seen, the triploblastic.

    The Works of Francis Maitland Balfour, Volume III (of 4)

    Francis Maitland Balfour

British Dictionary definitions for diploblastic


  1. (of jellyfish, corals, and other coelenterates) having a body developed from only two germ layers (ectoderm and endoderm)Compare triploblastic
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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

diploblastic in Medicine


  1. Derived from two embryonic germ layers, the ectoderm and the endoderm. Used of invertebrates such as sponges and coelenterates.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.