the condition of having only two feet or of using two feet for locomotion
bipedalism in American English
(baiˈpedlˌɪzəm)
noun
the condition of being two-footed or of using two feet for standing and walking
Also: bipedality (ˌbaipɪˈdælɪti)
Word origin
[1905–10; bipedal + -ism]This word is first recorded in the period 1905–10. Other words that entered Englishat around the same time include: aspect ratio, persona, push-up, revolving door, scrounge-ism is a suffix appearing in loanwords from Greek, where it was used to form action nounsfrom verbs (baptism). On this model, -ism is used as a productive suffix in the formation of nouns denoting action or practice,state or condition, principles, doctrines, a usage or characteristic, devotion oradherence, etc. (criticism; barbarism; Darwinism; despotism; plagiarism; realism; witticism; intellectualism)
Examples of 'bipedalism' in a sentence
bipedalism
Culture, bipedalism, stone tools and fire are all frequently invoked.
The Times Literary Supplement (2017)
The mechanics have not changed for at least 2m years, when knuckle-dragging was superseded by bipedalism.