chemical fossil
noun
A substance present in a geological deposit which is believed to have originated in the biochemical processes of ancient living organisms; a biomarker.
Origin
1960s; earliest use found in Science.
| 单词 | chemical fossil |
| 释义 | chemical fossilnoun A substance present in a geological deposit which is believed to have originated in the biochemical processes of ancient living organisms; a biomarker. Origin |
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