trisect

American  

[trahy-sekt, trahy-sekt] / traɪˈsɛkt, ˈtraɪ sɛkt /

verb (used with object)

1. to divide into three parts, especially into three equal parts.

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trisect British  

/ traɪˈsɛkʃən, traɪˈsɛkt /

verb

1. (tr) to divide into three parts, esp three equal parts

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Other Word Forms

• trisection
  noun
• trisector
  noun

Etymology

Origin of trisect

1685–95; tri- + -sect < Latin sectus, past participle of secāre to cut, sever; see section

Example Sentences

See Examples For:

trisect

Could you use those tools to trisect an angle?

From "Zero: The Biography of a Dangerous Idea" by Charles Seife

But while we cannot trisect the angle, we may easily approximate trisection.

From The Teaching of Geometry by Smith, David Eugene

We must trisect the main section, where the largest concentration of buildings is.

From The Crystal Crypt by Dick, Philip K.

A method to trisect a series of angles having relation to each other; also another to trisect any given angle.

From A Budget of Paradoxes, Volume II by Smith, David Eugene

Thus, to trisect an angle of 90° we need only to construct an angle of 60°, and this can be done by constructing an equilateral triangle.

From The Teaching of Geometry by Smith, David Eugene