¹ Source: wiktionary.com
Definition of Normals
1. normal [n] - See also: normal
Lexicographical Neighbors of Normals
Literary usage of Normals
Below you will find example usage of this term as found in modern and/or classical literature:
1. Elements of the Differential and Integral Calculus by William Anthony Granville, Percey Franklyn Smith (1904)
"The evolute of a given curve considered as the envelope of its normals. Since the
normals to a curve are all tangent to the evolute, §129, p. ..."
2. Elements of the Differential and Integral Calculus by William Anthony Granville (1904)
"Since the normals to a curve are all tangent to the evolute, § 129, p. 186, it
is evident that the evolute of a curve may aho be defined as the envelope of ..."
3. A History of Greek Mathematics by Thomas Little Heath (1921)
"Construction of normals. The next section of the Book (V. 55-63) relates to the
construction of normals through various points according to their position ..."
4. A Treatise on Infinitesimal Calculus: Containing Differential and Integral by Bartholomew Price (1857)
"If (f, »j) is a point from which normals are drawn to a curve r (x, y) of the
nth degree, (x, y) in (81) is the point at which the normal meets the curve: ..."
5. A Treatise on Conic Sections: Containing an Account of Some of the Most by George Salmon (1879)
"Find the coordinates of the intersection of the normals at the points An,, ...
Find the locus of the intersection of normals at right angles to each other. ..."
6. Solid Geometry by Percival Frost (1886)
"The number of normals will be the same from whatever point they be drawn, the
number may therefore be found by investigating the number of normals which can ..."
7. A Treatise on the Analytic Geometry of Three Dimensions by George Salmon (1882)
"The surface generated by the normals is therefore a hyperbolic paraboloid (Art 116).
It is evident that the surface generated by the polar lines, ..."
8. A Treatise on the Higher Plane Curves: Intended as a Sequel to A Treatise on by George Salmon (1879)
"... Art. 248) as the locus of the centres of curvature of the curve ; but the
evolute may also be defined as the envelope of all the normals of the curve. ..."