- convection - the transfer of heat through a fluid (liquid or gas) caused by molecular motion
--1 is a kind of temperature change
- convection - (meteorology) the vertical movement of heat or other properties by massive motion within the atmosphere
--2 is a kind of natural process, natural action, action, activity
Derived form: verb convect1 - convection - (meteorology) the vertical movement of heat or other properties by massive motion within the atmosphere