ideal point
noun
: a point added to the plane or to space to eliminate special cases
specifically
: the point at infinity added in projective geometry as the assumed intersection of two parallel lines
Cite this Entry
“Ideal point.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ideal%20point. Accessed 30 Oct. 2025.
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