2. (Geom.) To cut or divide into three equal parts. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
trisecting — tri·sect || traɪ sekt v. divide into three parts … English contemporary dictionary
Angle trisection — The problem of trisecting the angle is a classic problem of compass and straightedge constructions of ancient Greek mathematics.Two tools are allowed # An un marked straightedge, and # a compass, Problem: construct an angle one third a given… … Wikipedia
geometry — /jee om i tree/, n. 1. the branch of mathematics that deals with the deduction of the properties, measurement, and relationships of points, lines, angles, and figures in space from their defining conditions by means of certain assumed properties… … Universalium
Compass and straightedge constructions — Creating a regular hexagon with a ruler and compass Construction of a regular pentagon Compass and straightedge or ruler and compass construction is the construction of lengths, angl … Wikipedia
On Spirals — is a treatise by Archimedes in 225 BC. Although Archimedes did not discover the Archimedean spiral, he employed it in this book to square the circle and trisect an angle.[1] Contents 1 Contents 1.1 Preface 1.2 … Wikipedia
mathematics — /math euh mat iks/, n. 1. (used with a sing. v.) the systematic treatment of magnitude, relationships between figures and forms, and relations between quantities expressed symbolically. 2. (used with a sing. or pl. v.) mathematical procedures,… … Universalium
Conchoid — Con choid, n. [Gr. ?; ? shell + e i^dos form: cf. F. concho[ i]de.] (Geom.) A curve, of the fourth degree, first made use of by the Greek geometer, Nicomedes, who invented it for the purpose of trisecting an angle and duplicating the cube. [1913… … The Collaborative International Dictionary of English
Trisect — Tri*sect , v. t. [imp. & p. p. {Trisected}; p. pr. & vb. n. {Trisecting}.] [Pref. tri + L. sectus, p. p. of secare to cut. See {Section}.] 1. To cut or divide into three parts. [1913 Webster] 2. (Geom.) To cut or divide into three equal parts.… … The Collaborative International Dictionary of English
Trisected — Trisect Tri*sect , v. t. [imp. & p. p. {Trisected}; p. pr. & vb. n. {Trisecting}.] [Pref. tri + L. sectus, p. p. of secare to cut. See {Section}.] 1. To cut or divide into three parts. [1913 Webster] 2. (Geom.) To cut or divide into three equal… … The Collaborative International Dictionary of English
Constructible number — For numbers constructible in the sense of set theory, see Constructible universe. A point in the Euclidean plane is a constructible point if, given a fixed coordinate system (or a fixed line segment of unit length), the point can be constructed… … Wikipedia
