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geothermal gradient

American  

noun

  1. the increase in temperature with increasing depth within the earth.


Etymology

Origin of geothermal gradient

First recorded in 1935–40

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The red line is the geothermal gradient and the green solidus line represents at temperature and pressure regime at which melting begins.

From Textbooks • Jan. 1, 2017

The red line is the geothermal gradient and the green solidus line represents the temperature and pressure regime at which melting begins.

From Textbooks • Jan. 1, 2017

Partial melting occurs when the geothermal gradient line crosses the solidus line.

From Textbooks • Jan. 1, 2017

In the other three situations, rock at a lettered location with a temperature at the geothermal gradient is moved to a new P-T situation on the diagram.

From Textbooks • Jan. 1, 2017

Both these methods depend on how fast the earth is losing heat, that is on the geothermal gradient.

From Popular Science Monthly Oct, Nov, Dec, 1915 — Volume 86 by Anonymous

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