Numbers: bi (two)

Learn this list of words derived from bi meaning "two."
15 words 20 learners

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Full list of words from this list:

words only definitions & notes
  1. bilateral
    having two sides or parts
  2. bipartisan
    supported by both sides
  3. binary
    of or pertaining to a number system having 2 as its base
  4. bicameral
    consisting of two chambers
  5. binoculars
    an optical instrument for simultaneous use by both eyes
  6. biped
    an animal that walks on two legs
  7. bilingual
    using or knowing two languages
  8. bisect
    cut in half or cut in two
  9. bivalve
    a sea creature with two connected hinged shells
  10. bipolar
    pertaining to or occurring in northern and southern extremes
  11. bicentennial
    the 200th anniversary, or the celebration of it
  12. biweekly
    occurring twice every seven days
  13. bifurcated
    divided into or made up of two parts
  14. binomial
    a quantity expressed as a sum or difference of two terms
  15. biannual
    occurring or payable twice each year
Created on Mon Feb 09 14:51:22 EST 2026 (updated Fri Mar 20 16:03:28 EDT 2026)

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