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| Ho·mo e·rec·tus [ hmō i réktəss ] |
noun |
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| Definition: |
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extinct ancestor of Homo sapiens: an extinct ancestor of the modern human being Homo sapiens living approximately 1.5 million years ago and known by fossils to have had an upright stature, a smallish brain, and a low forehead
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| [< modern Latin, "upright man"] |
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