Definition:Number Prefixes/2/Bi-
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Definition
The prefix bi- denotes $2$.
Examples
The prefix bi- can be found in the following contexts:
- bidual: normed dual of the dual of a normed space
- binary: an adjective indicating $2$-ness
- binomial: an expression with two terms
Linguistic Note
The prefix bi- derives from the Latin bis, meaning twice, or Latin bīnus, meaning double.
Sources
- 1989: Ephraim J. Borowski and Jonathan M. Borwein: Dictionary of Mathematics ... (previous) ... (next): bi-
- 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): bi-