bipedalism bipedalism


  • (n) the bodily attribute of being bipedal; having two feet


  1. If paleontologists argue about why bipedalism evolved, they're even more contentious over the organization of the human family tree.
  2. On first blush, bipedalism just doesn't make much sense.
  3. She showed us conclusively that upright walking and bipedalism preceded all of the other changes we'd normally consider being human, such as tool-making.


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  • Since all the sites which have yielded fossil evidence of our earliest ancestors were forested or wooded, rather than open, Stringer says, "arboreal bipedalism is certainly a very plausible mechanism for the origins of walking upright."
    on May 31, 2007 By: Chris Stringer Source: New Scientist (subscription)

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tacit tacit
/ˈtæ sɪt /