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ideal point

noun, Mathematics
the point at infinity in projective geometry at which parallel lines intersect.
Origin of ideal point
1875-80 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for ideal point
  • The differential input to the scope provides an ideal point to balance the dark current output of the phototube.
  • Because of the high degree of beam collimation, a laser serves as an almost ideal point source of intense light.

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