Definitions | lemniscate |
| noun
- The symbol for infinity, which resembles the figure 8 on its side.
- (mathematics) Any closed curve (similar to a figure eight) described by a Cartesian equation of the form <math>(x^2 + y^2)^2 = a^2 (x^2 - y^2)\,</math>
Etymology: From lemniscatus, lÄmniscÄtus "decorated with ribbons"
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