bi·​sec·​tor | \ ˈbī-ˌsek-tər How to pronounce bisector (audio) , bī-ˈsek- \

Definition of bisector

: one that bisects especially : a straight line that bisects an angle or a line segment

Examples of bisector in a Sentence

Recent Examples on the Web Any two distinct points have a unique perpendicular bisector. Quanta Magazine, 22 May 2019 The perpendicular bisector is a very useful tool in Euclidean geometry. Quanta Magazine, 22 May 2019 Gabriella Figueroa, 16, a junior, had been in geometry class working on angle bisectors when the alarm sounded. Anchorage Daily News, 15 Feb. 2018 In geometry class, Gabriella Figueroa, 16, a junior, had been working on angle bisectors when the alarm sounded. Audra D. S. Burch And Patricia Mazzei, New York Times, 14 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bisector.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of bisector

1823, in the meaning defined above

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The first known use of bisector was in 1823

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Cite this Entry

“Bisector.” Dictionary, Merriam-Webster, Accessed 25 Jun. 2022.

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More from Merriam-Webster on bisector

Nglish: Translation of bisector for Spanish Speakers

Britannica English: Translation of bisector for Arabic Speakers


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