approximate contour
approximate contour
[ə′präk·sə·mət ′kän‚tu̇r] (mapping)
A contour substituted for a normal contour whenever there is a question as to its reliability; reliability usually is evaluated as exceeding one-half the contour interval.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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