American Heritage® Dictionary of the English Language, Fourth Edition
- n. See Archean.
GNU Webster's 1913
- n. the time from 1.5 billion to 5 billion years ago, when the earth's crust was formed; the time when only unicellular organisms and the earliest forms of life are present. Same as Archaeozoic.
- archeo- + -zoic (Wiktionary)
“She's going to send us back, perhaps, to the Archeozoic Era when she was quite a lot hotter and loaded with carbon and we were just pond scum on the surface of the water.”
“One set consists of variations named after geological eras, with sea gull cries evoked in "Archeozoic.”
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