Книга: Durell Fletcher «Plane Geometry»

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• Plane geometry — Plane Plane, a. [L. planus: cf. F. plan. See {Plan}, a.] Without elevations or depressions; even; level; flat; lying in, or constituting, a plane; as, a plane surface. [1913 Webster] Note: In science, this word (instead of plain) is almost… …   The Collaborative International Dictionary of English

• plane geometry — n. the branch of geometry dealing with plane figures …   English World dictionary

• Plane geometry — In mathematics, plane geometry may mean:*geometry of a plane, *geometry of the Euclidean plane,or sometimes a plane is any flat surface that extends without end in all directions.*geometry of a projective plane, most commonly the real projective… …   Wikipedia

• plane geometry — noun the geometry of 2 dimensional figures • Topics: ↑mathematics, ↑math, ↑maths • Hypernyms: ↑geometry * * * noun : a branch of elementary geometry that deals with plane figures * * * Math. the geometry of figures whose parts all lie in one… …   Useful english dictionary

• plane geometry — plane′ geom′etry n. math. the geometry of figures whose parts all lie in one plane • Etymology: 1740–50 …   From formal English to slang

• plane geometry — plane ge.ometry n [U] the study of lines, shapes etc that are ↑two dimensional (=with measurements in only two directions, not three) …   Dictionary of contemporary English