General search term.
Might be referring to: a microwave oven is a relatively small, boxlike oven that raises the temperature of food by subjecting it to a high-frequency electromagnetic field. The microwaves are absorbed by water, fats, sugars, and certain other molecules, whose consequent vibrations produce heat..
This is a seasonal trend that repeats every November.
This trend is forecasted to be growing in the next 2 years.