trisection

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trisection (countable and uncountable, plural trisections)

1. (geometry) The act of division of something (such as an angle, line segment, or circle) into three parts, especially three equal parts.

   Synonym: trisegmentation

   Coordinate terms: bisection (2), quadrisection (4)

   A traditional (but impossible) mathematical problem was to achieve trisection using a straight edge and compass.

2. Any of the three portions thus produced.

   Synonyms: third, one-third

   Coordinate terms: bisection, bisegment, half (2); quadrisection, quarter (4)

• ristocetin, tricotines

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trisection f (plural trisections)

1. trisection

• “trisection”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.