drop in elevation; gap; disparity
Meanings
2 senses · 7 examplesnoun
drop in water level; difference in elevation
technicalA technical term used in geography, hydrology, and engineering to describe the vertical distance between two points in a watercourse.
The drop in elevation along this section of the river is significant, making it suitable for building a hydroelectric power plant.
Surveyors are calculating the elevation difference between the upstream and downstream sections of the reservoir.
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The spectacular sight of the waterfall comes from its great vertical drop.
noun
gap; disparity; contrast
neutralUsed metaphorically to describe differences in level, status, expectation, feeling, etc., often implying a sense of imbalance or disappointment.
The huge gap between his ideals and reality made him feel disappointed.
The company is working hard to narrow the pay gap between new and old employees.
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Going from being a star to an ordinary person, she experienced a great psychological落差 (sense of落差).
The disparity in the level of economic development between the two regions is obvious.