Definition of "lemniscate" []

• The infinity symbol (∞). (noun)
• Any closed curve (similar to a figure eight) described by a Cartesian equation of the form . (noun)

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• "'lemniscate', a particular modification of the so-called Cassinian curves. 2 1"
• "Her gaze was caught on the glowing wand and lemniscate, and she thought of radiation."
• "A lemniscate, an infinity symbol, glowed above his head."