a combining form meaning “prickly; spiny,” used in the formation of compound words: echinulate.
a combining form representing echinoderm in compound words: echinoid.
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Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use echino- in a sentence
British Dictionary definitions for echino-
indicating spiny or pricklyechinoderm
Word Origin for echino-
from New Latin, via Latin from Greek ekhinos sea urchin, hedgehog
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Medical definitions for echino-
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.