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involute
adjective
- intricate; involved
- rolled up or curled in a spiral; having whorls wound closely around the axis: involute shells
- Bot. rolled inward at the edges: involute leaves
noun
Math.
- the curve traced by any point of a taut string when it is wound upon or unwound from a fixed curve on the same plane with it
- the locus of any fixed point on a moving tangent which rolls, but does not slide on a curve: correlative to evolute
intransitive verb involuted, involuting
to become involute or undergo involution
See involute in American Heritage Dictionary 4
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