geometry

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Definition/MeaningWord/Phrase
geometry of affine transformations affine geometry
Egyptian polymath (born in Iraq) whose research in geometry and optics was influential into the 17th century; established experiments as the norm of proof in physics (died in 1040) Al-Hasan ibn al-Haytham , al-Haytham , Alhacen , Alhazen , Ibn al-Haytham
(geometry) the angle formed by the x-axis and a given line (measured counterclockwise from the positive half of the x-axis) angle of inclination , inclination
Greek mathematician and physicist noted for his work in hydrostatics and mechanics and geometry (287-212 BC) Archimedes
pioneer of non-Euclidean geometry (1826-1866) Bernhard Riemann , Georg Friedrich Bernhard Riemann , Riemann
geometry, device for drawing circles or arcs in compass , pair of compasses
(geometry) a curve generated by the intersection of a plane and a circular cone conic , conic section
geometry of properties that remain invariant under projection descriptive geometry , projective geometry
(geometry) a straight line connecting any two vertices of a polygon that are not adjacent diagonal
(geometry) the interchangeability of the roles of points and planes in the theorems of projective geometry duality
(geometry) a ratio describing the shape of a conic section; the ratio of the distance between the foci to the length of the major axis eccentricity
geometry based on Euclid's axioms: e.g., only one line can be drawn through a point parallel to another line elementary geometry , Euclidean geometry , parabolic geometry
non-Euclidean geometry that regards space is like a sphere and a line is a great circle elliptic geometry , Riemannian geometry
(geometry) a plane rectangle with four equal sides and four right angles; a four-sided regular polygon foursquare , square
(mathematics) a geometric pattern that is repeated at every scale and so cannot be represented by classical geometry fractal
geometry of fractals fractal geometry
mathematician specializing in geometry geometer , geometrician
someone who teaches geometry geometry teacher
non-Euclidean geometry in which it is assumed that through any point there are two or more parallel lines that do not intersect a given line in the plane hyperbolic geometry
Russian mathematician who independently discovered non-Euclidean geometry (1792-1856) Lobachevsky , Nikolai Ivanovich Lobachevsky
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