contour interval

noun

1. the difference in elevation represented by each contour line on a topographic map.

contour interval

noun

1. the difference in altitude represented by the space between two contour lines on a map

Example Sentences

Contour interval below the 600-foot curve, 3,000 feet.

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It is, however, of great importance for one to be able to determine at a glance, within about one contour interval, whether or not such and such a point is visible; or whether a given road is generally visible to a certain scout, etc.

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The distance between the planes is called the contour interval.

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The numbering shows at once the height of any point on a given contour and in addition shows the contour interval—in this case 20 feet.

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The map seems to show more local relief to this terrace than the general view indicates, but it should be borne in mind that the contour interval is but 2½ feet.

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