Definition, Meaning & Synonyms

thermal current

noun
ˈθɜːrməl ˈkʌrənt
Definition
A thermal current refers to the upward movement of warm air or liquid, often caused by heat from the Earth’s surface.
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.
Meaning
The movement that occurs when warmer, less dense air or fluid rises, creating a flow due to temperature differences.
Synonyms
  • warm current
  • heat flow
  • thermal updraft