English Explanatory Dictionary

convection

English dictionary entry

Meanings

noun
  1. The process of conveying something.
  2. The transmission of heat in a fluid by the circulation of currents.
  3. The vertical movement of heat and moisture, especially by updrafts and downdrafts in an unstable air mass. The terms convection and thunderstorm are often used interchangeably, although thunderstorms are only one form of convection. Towering cumulus clouds are visible forms of convection.

Pronunciation

/kənˈvɛkʃən/ LL-Q1860 (eng)-Vealhurl-convection.wav LL-Q1860 (eng)-Wodencafe-convection.wav

Word forms

convection convections convexion

Etymology

From Latin convectiōnem, from convectiō (“act of carrying”), from convect-, past participle stem of convehō (“to carry together”), combination of com- and vehō. By surface analysis, convect + -ion.

Related words

convect

Derived words

autoconvection bioconvection convectional convectionary convection cell convection microwave convection microwave oven convection oven electroconvection forced convection free convection gravitational convection magnetoconvection microconvection natural convection photoconvection pyroconvection Rayleigh-Bénard convection semiconvection thermoconvection trivection
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