Convection/kənˈvekʃn/ Definition 1 of 3Pro Tip 1/3Natural Phenomena Convection typically describes natural heat movement, without mechanical aid. The lake water circulates due to convection. Pro Tip 2/3Climate Explanation Convection explains certain weather patterns, like wind and cloud formation. Convection causes the formation of thunderclouds. Pro Tip 3/3Household Context Convection is used to explain the functioning of heaters and ovens. Our convection oven cooks food evenly.