hydrothermal

[ hahy-druh-thur-muhl ]

Phonetic (Standard)IPA

adjective

, Geology.

noting or pertaining to the action of hot, aqueous solutions or gases within or on the surface of the earth.

hydrothermal

/ ˌhaɪdrəʊˈθɜːməl /

of or relating to the action of water under conditions of high temperature, esp in forming rocks and minerals

hydrothermal

/ hī′drə-thûr′məl /

Relating to or produced by hot water, especially water heated underground by the Earth's internal heat.
◆ Hydrothermal energy is power that is generated using the Earth's hot water.

First recorded in 1840–50; hydro- ¹ + thermal

In other words, the determination of the hydrothermal equivalent is essential.

By means of the electrical check experiments, however, a method for determining the hydrothermal equivalent is at hand.

Such corrections are impossible unless a proper determination of the hydrothermal equivalent has been made.

From the weight of the subject and this factor the hydrothermal equivalent of the body can be calculated.

These occurrences are generally held to be due to hydrothermal or geyser action.

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