Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Of or relating to the final geologic period of the late Precambrian Era, lasting from 620 to 542 million years ago.
  • adjective Of or relating to a group of fossilized soft-bodied marine organisms that are the earliest known remains of multicellular life and date from between 560 and 542 million years ago.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective geology Of a geologic period within the Neoproterozoic era from about 620 to 542 million years ago.
  • noun geology The Ediacaran period.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[After the Ediacaran, Hills in southern Australia, where the first such fossils were found.]

Examples

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