echinoid
Use Echinoid in a sentence
nɔɪd, ˈɛk adjective
1.
belonging or pertaining to the class Echinoidea, comprising mainly sea urchins and sand dollars.
noun
2.
any echinoderm of the Echinoidea.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
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Link To echinoid
Collins
World English Dictionary
echinoid (ɪˈkaɪnɔɪd, ˈɛkə-) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| 1. | any of the echinoderms constituting the class Echinoidea, typically having a rigid ovoid body. The class includes the sea urchins and sand dollars |
| —adj | |
| 2. | of or belonging to this class |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Echinoid
is always a great word to know.
So is quincunx. Does it mean:
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| the offspring of a zebra and a donkey. |
Example sentences
Cream to creamy white, coarse granular limestone, contains abundant echinoid fragments.
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