verb bi·sect \ˈbī-ˌsekt, bī-ˈ\

: to divide (something) into two equal parts

Full Definition of BISECT

transitive verb
:  to divide into two usually equal parts
intransitive verb
bi·sec·tion \ˈbī-ˌsek-shən, bī-ˈ\ noun
bi·sec·tion·al \-shnəl, -shə-nəl\ adjective
bi·sec·tion·al·ly adverb

Origin of BISECT

1bi- + intersect
First Known Use: circa 1645

Related to BISECT

Other Mathematics and Statistics Terms

abscissa, denominator, divisor, equilateral, exponent, hypotenuse, logarithm, oblique, radii, rhomb
BISECT Defined for Kids


verb bi·sect \ˈbī-ˌsekt\

Definition of BISECT for Kids

:  to divide into two equal parts
:  intersect

Word History of BISECT

When you bisect something you are cutting it in two. The word bisect itself will tell you that if you know Latin. The word was formed in English, but it came from two Latin elements. The bi- came from a Latin prefix meaning two. The -sect came from a Latin verb secare meaning to cut.


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