| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| Phanerozoic |
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| SYLLABICATION: | Phan·e·ro·zo·ic |
| PRONUNCIATION: |  f n  r--z   k |
| ADJECTIVE: | Of or relating to the geologic time period from approximately 570 million years ago to the present, comprising the Paleozoic, Mesozoic, and Cenozoic eras, and marked by an abundance of fossil evidence of life, especially higher forms, in the corresponding rocks. See table at geologic time. | | NOUN: | The Phanerozoic Eon. | | ETYMOLOGY: | Greek phaneros, visible (from phainein, to cause to appear; see bh -1 in Appendix I) + –zoic.
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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