# trisect

Line breaks: tri|sect
Pronunciation: /trʌɪˈsɛkt /

## Definition of trisect in English:

### verb

[with object]
Divide (something) into three parts, typically three equal parts: two walls trisect the gallery
More example sentences
• Nicomedes trisected any rectilinear angle by means of the conchoidal curves, of which he had handed down the origin, order, and properties, being himself the discoverer of their special characteristic.
• Today, even as traffic signals multiply and thick yellow lines bisect and trisect the roads, motorists, scooterists and non-conformists all line up together at painfully long red lights and plan strategy.
• The right of the two diagrams shows how this hyperbola can be used to trisect the angle AOB.

### Origin

late 17th century: from tri- 'three' + Latin sect- 'divided, cut' (from the verb secare).

### Derivatives

#### trisection

1
noun
Example sentences
• He also discussed parabolas, angle trisection and magic squares.
• In extending from the Pythagorean numbers to the totally real Vietens, it is important to understand the constructions involving trisections.
• Three geometric construction problems from antiquity puzzled mathematicians for centuries: the trisection of an angle, squaring the circle, and duplicating the cube.

#### trisector

2
noun
Example sentences
• Their centers thus lie on the trisectors of the angles adjacent to that line.
• If the angles of any triangle be trisected, the triangle, formed by the meets of pairs of trisectors, each pair being adjacent to the same side, is equilateral.
• We no longer look kindly on angle trisectors and circle squarers.

## Definition of trisect in:

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= trending

## More on trisect

### More words in this category

acute analytical geometry angle 1 concurrent convex

### Translate trisect

into Spanish
Word of the day
Pronunciation: ˈbɒskɪdʒ
noun
a mass of trees or shrubs