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Bi-two

Prefix Bi means two

TermDefinition
bicolor having two different colors
biped a two footed creature
bicycle a vehicle with two wheels
biennial happening every two years
bilingual able to speak two languages
bicuspid a two-pointed tooth located in the side of the jaw
bifocals eyeglasses with lenses that have two different sections for seeing close up and far away
bimonthly happening every two months
biplane an airplane with two pairs of wings
biweekly happening every two weeks
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