change state, turn - undergo a transformation or a change of position or action; "We turned from Socialism to Capitalism"; "The people turned against the President when he stole the election"

overheat - get excessively and undesirably hot; "The car engines overheated"

fry - be excessively hot; "If the children stay out on the beach for another hour, they'll be fried"

alter, change, modify - cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"

toast, crisp - make brown and crisp by heating; "toast bread"; "crisp potatoes"

scald - heat to the boiling point; "scald the milk"

soak - heat a metal prior to working it

calcine - heat a substance so that it oxidizes or reduces

preheat - heat beforehand; "Preheat the oven!"

overheat - make excessively or undesirably hot; "The room was overheated"

scorch, sear - make very hot and dry; "The heat scorched the countryside"

broil, bake - heat by a natural force; "The sun broils the valley in the summer"

reheat - heat again; "Please reheat the food from last night"

compound, deepen, intensify, heighten - make more intense, stronger, or more marked; "The efforts were intensified", "Her rudeness intensified his dislike for her"; "Potsmokers claim it heightens their awareness"; "This event only deepened my convictions"