convection
/kənˈvekʃən/noun
mass noun
- the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat对流。
派生词
convectional
adjectiveconvective
adjective词源
mid 19th cent.: from late Latin convectio（n-）, from Latin convehere, from con- 'together' + vehere 'carry'.