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Ediacaran

/ˌiːdiːˈækərən/
adjective
1.
of, denoting, or formed in the last 50 million years of the Neoproterozoic era, during which a new texturally and chemically distinctive carbonate layer appeared, indicating climatic change
noun
2.
the Ediacaran, the Ediacaran period or rock system
Word Origin
C20: named after the Ediacara Hills in the Flinders mountain range in South Australia
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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ediacaran in Science
Ediacaran
  (ē'dē-ä'kə-rən)   
Relating to a group of fossilized organisms that are the earliest known remains of multicellular life. They are soft-bodied marine life forms that date from between 560 and 545 million years ago, during the late Precambrian Eon.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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