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cuspidal point

noun
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Definition of cuspidal point

mathematics
1 : cusp sense 2c
2 : a point on a ruled surface where a generator or ruling intersects a consecutive ruling

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“Cuspidal point.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cuspidal%20point. Accessed 28 Jan. 2021.

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