Definitions

1. noun

a furnace or oven, especially a large one, for heating or burning something

“The blacksmith worked in the infern, carefully adjusting the temperature.”

2. verb

to burn or heat something, especially in a furnace or oven

“The coal will be inferned in the furnace to produce steel.”

3. verb

to heat or burn something to a high temperature

“The food will be inferned in the microwave to reheat it.”