Definition of convection current in English:

convection current

Syllabification: con·vec·tion cur·rent

noun

  • A current in a fluid that results from convection.
    More example sentences
    • In spring when the air temperature outside the bin is higher than the grain temperature, a reverse convection current will occur.
    • A radiator actually only radiates some 20% of its heat, the remaining 80% rises in a convection current from the top of the radiator cooling near the ceiling before dropping from overhead.
    • As it's open to the sky, the warm air rises up and draws in cooler air from outside, so there's a complete convection current.

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