Main Entry: con·vec·tion

Pronunciation: \kən-ˈvek-shən\

Function: noun

1 : the circulatory motion that occurs in a fluid at a nonuniform temperature owing to the variation of its density and the action of gravity
2 : the transfer of heat by convection in a fluid

—con·vec·tion·al \-shnəl, -shən-^əl\ adjective

—con·vec·tive \-ˈvek-tiv\ adjective