¹ Source: wiktionary.com
Definition of Involutions
1. involution [n] - See also: involution
Lexicographical Neighbors of Involutions
Literary usage of Involutions
Below you will find example usage of this term as found in modern and/or classical literature:
1. Projective Geometry by Oswald Veblen, John Wesley Young (1918)
"Thus the theorem on involutions may be stated as follows: ... The double points
of the involutions may be either proper or improper (real or imaginary). ..."
2. An Elementary Treatise on Pure Geometry with Numerous Examples by John Wellesley Russell (1905)
"Given two involution ranges on a conic or on a line, or two involution pencils
at a point; find the pair of points or lines belonging to both involutions. ..."
3. Projective Geometry by Linnaeus Wayland Dowling (1917)
"Hyperbolic Involutions.— 1. If an involution is hyperbolic, no pair of corresponding
elements is separated by any other pair of corresponding elements; ..."
4. Amphioxus and the Ancestry of the Vertebrates by Arthur Willey (1894)
"... and A (rial Involutions. By the time that the cerebral vesicle of the Ascidian
embryo with its contained sense-organs (eye and otocyst) is approaching ..."
5. Lectures on the Geometry of Position by Theodor Reye (1898)
"If some of the involutions are elliptic and others hyperbolic, their centres P
... If all of these involutions are hyperbolic, we call the web hyperbolic; ..."
6. An Elementary Treatise on Pure Geometry: With Numerous Examples by John Wellesley Russell (1893)
"The line joining the two poles Ol 02 of the involutions on the conic evidently
cuts the conic in the required pair of points. ..."
7. Growth During School Age: Its Application to Education by Paul Godin (1920)
"Augmented growth, reduced or arrested growth, total growth or appearance of
organs, disappearance of organs, involutions.— Embryogenic function of puberty, ..."