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Definition of Double point
1. Noun. (mathematics) A point on a curve at which there are two tangents (because it touches itself, or has a cusp) ¹
¹ Source: wiktionary.com
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1. Noun. (mathematics) A point on a curve at which there are two tangents (because it touches itself, or has a cusp) ¹
¹ Source: wiktionary.com