con·vec·tion 
/kənˈvɛkʃən/ noun
/kənˈvɛkʃən/ noun [noncount] technical : movement in a gas or liquid in which the warmer parts move up and the colder parts move down
▪ convection currents ; also : the transfer of heat by this movement
▪ foods cooked by convection
▪ convection currents ; also : the transfer of heat by this movement
▪ foods cooked by convection
