isolated point

American  

noun

1. Mathematics. a point in a set such that the neighborhood of the point is devoid of any other points belonging to the set.

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Example Sentences

Figure 19.12 An isolated point charge Q with its electric field lines in blue and equipotential lines in green.

From Textbooks • Aug. 12, 2015

An isolated point not upon a curve, but whose co”rdinates satisfy the equation of the curve so that it is considered as belonging to the curve.

From Webster's Unabridged Dictionary by Webster, Noah

Had the voice issued from this isolated point of darkness?

From The House of the Whispering Pines by Green, Anna Katharine

Advancing cautiously to an isolated point upon the brink, I lay upon my face, and peered down into the spectral void.

From John L. Stoddard's Lectures, Vol. 10 (of 10) Southern California; Grand Canon of the Colorado River; Yellowstone National Park by Stoddard, John L. (John Lawson)

How wide and fathomless seems the ocean, even from a single isolated point!

From Under the Trees and Elsewhere by Mabie, Hamilton Wright