convection

名词 n.
中文释义

英文释义

名词 n.
  1. The process of conveying something. countable,obsolete,uncountable
  2. The transmission of heat in a fluid by the circulation of currents. countable,uncountable
    — The mantle is important to our discussion in that its viscous nature can conduct convection currents that have effects on the crust upon which we live.
  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. countable,uncountable

词形变化

convections plural convexion alternative,obsolete

词汇关系

衍生词
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
相关词
convect
并列词
conduction radiation

词源

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.
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