9 Grammatical Pitfalls


[bahy-ped-l, -pi-dl, bahy-ped-l] /ˈbaɪˌpɛd l, -pɪ dl, baɪˈpɛd l/
Origin of bipedal
1600-10; bi-1 + pedal (adj.)
Related forms
bipedally, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for bipedal
  • What initially separated them and us from other primates was habitual erect, bipedal locomotion.
  • As that bipedal ape evolved into what would become us, other mammals came and went.
  • So it was with giddy expectation that the team began to excavate a skeleton of an unknown bipedal hunter.
  • Instead of a regular bipedal gait, the robot has two sets of two legs, in inner and outer pairs.
  • One solution is to build a bipedal robot the size of a human, but it's much harder for small robots.
  • Ostriches are descendants of dinosaurs, and the researchers liken ostrich movements to those of bipedal dinosaurs.
  • Whether it is bipedal locomotion from that of quadruped, cooking food for easier digestion what is involved is saving energy.
  • He and his colleagues argue that its pelvis could support its upper body during bipedal walking.
  • We humans shouldn't feel too bad that ostriches are our bipedal betters.
  • Humans are extremely bipedal, chimps are much less so.
British Dictionary definitions for bipedal


any animal with two feet
having two feet
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for bipedal

c.1600, from biped + -al (1). Classical Latin bipedalis meant "two feet long or thick."

Online Etymology Dictionary, © 2010 Douglas Harper
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bipedal in Science
An animal having two feet, such as a bird or human.

bipedal adjective
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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