
1) It really cooks
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https://www.crosswordclues.com/clue/convection-oven

A convection oven (also known as a fan-assisted oven or simply a fan oven) is an oven that has fans to circulate air around food. Conventional ovens, which do not have fans, rely primarily on radiation from the oven walls, and to a lesser extent, on natural convection caused by temperature differences within the oven, to transfer heat to food. In ...
Found on
http://en.wikipedia.org/wiki/Convection_oven

Convection ovens are simply traditional gas or electric ovens equipped with a fan, which circulates the hot oven air around the food. Foods cook more evenly and faster with this type of oven.
Found on
http://whatscookingamerica.net/Glossary/C.htm

An oven with circulating air that cooks more uniformly and at lower temperatures than does a conventional oven.
Found on
http://www.encyclo.co.uk/local/20108

A gas or electric oven equipped with a fan that continually circulates the hot oven air around the product. Circulating hot air allows products to bake on several racks at one time. Oven temperature can usually be reduced by 25° F. and preheating may be unnecessary.
Found on
https://www.homebaking.org/glossary/

a gas, electric, or microwave oven equipped with a fan that circulates and intensifies the heat, thereby decreasing the normal cooking time.
Found on
https://www.infoplease.com/dictionary/convection-oven
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