winding number(redirected from Contour winding number)
winding number[′wīnd·iŋ ‚nəm·bər]
The number of times a given closed curve winds in the counterclockwise direction about a designated point in the plane. Also known as index.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.