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词汇 chemical fossil
释义

Definition of chemical fossil in English:

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.

Definition of chemical fossil in US English:

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.

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