noun
the science or technique of measuring heights above sea level
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Hypsometry is the measurement of the elevation of the Earth's surface above sea level.
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I learned about hypsometry in my geography class - it's all about measuring heights above sea level.
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Hypsometry sounds like a fancy term for measuring how high things are.
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In the world of hypsometry, the peaks and valleys of the land tell a story of its geological history.