Definition, Meaning & Synonyms
thermal current
noun
ˈθɜːrməl ˈkʌrənt
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Definition
A thermal current refers to the upward movement of warm air or liquid, often caused by heat from the Earth’s surface.
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Examples
- The thermal current from the volcanic activity heated the surrounding air, causing it to rise rapidly.
- Birds often use thermal currents to gain altitude without expending much energy.
- The ocean’s thermal currents play a significant role in regulating global climate patterns.
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Meaning
The movement that occurs when warmer, less dense air or fluid rises, creating a flow due to temperature differences.
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Synonyms
- warm current
- heat flow
- thermal updraft