ideal element

British  

noun

1. any element added to a mathematical theory in order to eliminate special cases. The ideal element i = √–1 allows all algebraic equations to be solved and the point at infinity ( ideal point ) ensures that any two lines in projective geometry intersect

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Example Sentences

As the lightest metal on the periodic table, and the one most eager to shed its electrons, lithium is the ideal element to make powerful, portable batteries.

From Nature • Oct. 27, 2015

And yet how perfectly did his genius divine that ideal element in our early New England life, conceiving what must have been without asking proof of what actually was!

From Among My Books First Series by Lowell, James Russell

Yet there is not wanting an ideal element in his doctrine.

From History of Religion A Sketch of Primitive Religious Beliefs and Practices, and of the Origin and Character of the Great Systems by Menzies, Allan

Yet the indications are that this art of arts had its origin, as far back as the days of savagery, in the ideal element of life rather than the utilitarian.

From Ballad Book by Bates, Katherine Lee

Mr. Parker's ministry had three periods, in each of which the ideal element was the attraction.

From Transcendentalism in New England A History by Frothingham, Octavius Brooks