Latin · prefix
bi-
two, double
Words sharing this root
biathlonAn athletic contest combining two events, usually cross-country skiing and rifle shooting.bicarbonateThe hydrogen carbonate ion or a salt containing it.bicuspidHaving two projecting points or flaps.biennialCovering or completing a cycle of two years.bifocalA lens with two optical powers for near and distant vision, or having this design.bifurcateTo divide or be divided into two branches or parts.bigamyThe practice of being married to two people at the same time.bilateralInvolving two sides or parties.bilingualUsing or able to use two languages.bimodalHaving two distinct modes or patterns.binomialConsisting of two terms or naming elements.binomialRelating to statistical trials with two possible outcomes.bipartisanSupported by or involving two political parties.bipedAn animal that walks on two feet, or having this way of walking.biracialRelating to two racial groups.bisectTo divide into two parts, usually equal halves.