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bignonia
bigot
biguanide
bigwig
Bihac
Bihar
Bihari
Bijapur
bijection
bijou
Bikaner
bike
bike lift
bike rack
biker
biker chick
biker jacket
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bijection

bi·jec·tion [ bī jékshən ] (plural bi·jec·tions)


noun 
Definition:
 
mathematical mapping: a mathematical mapping between two spaces in which every element in each space corresponds to only one element of the other space for mapping in either direction

[Mid-20th century. <bi- + injection]

bi·jec·tive adjective
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