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Definition of "bi-" []

  • Two: biform. (prefix)
  • Both: binaural. (prefix)
  • Both sides, parts, or directions: biconcave. (prefix)
  • Occurring at intervals of two: bicentennial. (prefix)
  • Usage Problem Occurring twice during: biweekly. (prefix)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "bi-" in a sentence
  • "I think it's extremely important that whatever follows the MDGs moves beyond a list of non-binding, broad objectives, and that any targets agreed are better linked to binding international bi- tri- and multilateral agreements."
  • "He wiggled his fingers, occasionally bent forward to stretch out his calves and thighs, or reached overhead with one hand to touch the other shoulder, stretching bi- and triceps."
  • "The visible result of this phenomenon is the bulge of the bi- and triceps when we flex our muscles."
Words like "bi-"
chart-topper
computer-to-computer
day-night
defrost
rare-earth
self-reinforcing
under-21
work/rest