- to divide into three parts, especially into three equal parts.
Origin of trisect
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for trisect
Then the three coils should trisect dead center, if the models were correct.
We must trisect the main section, where the largest concentration of buildings is.
In addition they learned how to bisect and trisect the angle.An Introduction to the History of Science
But while we cannot trisect the angle, we may easily approximate trisection.The Teaching of Geometry
David Eugene Smith
A method to trisect a series of angles having relation to each other; also another to trisect any given angle.A Budget of Paradoxes, Volume II (of II)
Augustus de Morgan
- (tr) to divide into three parts, esp three equal parts
C17: tri- + -sect from Latin secāre to cut
Word Origin and History for trisect
Online Etymology Dictionary, © 2010 Douglas Harper