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Definition of bisectrix

bisectrix

/baɪˈsɛk.trɪks/
bi · sec · trix

Plural:bisectrices
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bisectrix Lexical Profile

bisectrix Game Scores & Validity

• noun

1

A straight line or plane that divides a geometric figure or an angle into two equal parts; a bisector.

Example

"The mathematician drew the bisectrix to exactly halve the acute angle of the triangle."


2

In crystallography and optics, the line that bisects either the acute or obtuse angle between the two optic axes of a biaxial crystal.

Example

"To fully understand the optical properties of the mineral sample, the researcher measured the orientation of the acute bisectrix using a polarizing microscope."

Word Nuance & Usage

While it can be used in general geometry as a synonym for 'bisector', 'bisectrix' is primarily encountered in advanced crystallography and optics to denote the specific line bisecting the angle between the optic axes of a biaxial crystal.

• Rhymes for bisectrix

Word Origin & Etymology

Late 19th century: from Modern Latin 'bisectrix', the feminine form of 'bisector', derived from Latin 'bis' (twice) and 'secare' (to cut).

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Bisectrix. In Wordmom Dictionary. Retrieved Nov 6, 2026, from https://wordmom.com/dictionary/bisectrix
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