INVOLUTION


Meaning of INVOLUTION in English

( 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.

Webster's Revised Unabridged English Dictionary.      Пересмотренный полный словарь английского языка Webster.