bisect

verb

bi·​sect ˈbī-ˌsekt How to pronounce bisect (audio)
bī-ˈsekt
bisected; bisecting; bisects
Synonyms of bisectnext

transitive verb

: to divide into two usually equal parts
bisection
ˈbī-ˌsek-shən How to pronounce bisect (audio)
bī-ˈsek-
noun
bisectional adjective
bisectionally adverb

Examples of bisect in a Sentence

Draw a line that bisects the angle. The city is bisected by the highway.
Recent Examples on the Web
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The car had to be redesigned to accommodate the new structure, which is dominated by large glass panels and bisected by a central strip that runs from the windshield to the rear of the car. Bryan Hood, Robb Report, 26 June 2026 Wind Creek Chicago Southland Casino, Hotel and Spa is located adjacent to the mammoth Thornton Quarry, a south suburban landmark bisected by Interstate 294. Philip Potempa, Chicago Tribune, 25 June 2026 The dog is ahead and has stopped by the tree that bisects the diagonal; the girl with the bright red coat who seems to be paused behind him. Literary Hub, 10 June 2026 Awaiting beyond a temple pylon recreated in the Parisian hôtel particulier were a series of columns, each bisected by a large sculpted niche with treasures galore within. Lily Templeton, Footwear News, 9 June 2026 See All Example Sentences for bisect

Word History

Etymology

bi- entry 1 + intersect

First Known Use

circa 1645, in the meaning defined at transitive sense

Time Traveler
The first known use of bisect was circa 1645

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Cite this Entry

“Bisect.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bisect. Accessed 2 Jul. 2026.

Kids Definition

bisect

verb
bi·​sect ˈbī-ˌsekt How to pronounce bisect (audio)
bī-ˈsekt
1
: to divide into two usually equal parts
2

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