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ID | Word | Wordtype | Definition |
---|---|---|---|
82642 | Involution | n. | The relation which exists between three or more sets of points, a.a', b.b', c.c', so related to a point O on the line, that the product Oa.Oa' = Ob.Ob' = Oc.Oc' is constant. Sets of lines or surfaces possessing corresponding properties may be in involution. |
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Change | Barbary | Obsess | Esopic | Superstition |