preheat

Definition of preheat in English English dictionary: to heat something in preparation for further action, especially cooking; To heat an oven or broiler in advance of use to assure that it will he the proper temperature when ready to use; If you preheat an oven, you switch it on and allow it to reach a certain temperature before you put food inside it. Preheat the oven to 400 degrees Bake in the preheated oven for 25 minutes or until golden brown. to heat an oven to a particular temperature before it is used to cook something; To turn oven on to correct temperature prior to baking; heat beforehand; "Preheat the oven!; {f} heat beforehand, warm in advance; A fluorescent system which requires starters Withthis system several seconds of heating time are necessary between the timethe circuit is turned on and the time the lamp produces light; Warming the lamp filament prior to fade up, allowing a smoother transition; heat beforehand; "Preheat the oven!"; heat to temperature needed for recipe before baking; takes about 10 minutes; Application of heat, applied at a determined rate, from ambient temperature to a desired elevated temperature; To turn on the heat in an oven for a period of time before cooking a dish, so that the fingers may be burned when the food is put in, as well as when it is removed; To allow the oven or pan to get to a specified temperature before adding the food to be cooked
preheater: An engineering device that preheats a material prior to some other process
preheated: {s} heated ahead of time, warmed in advance
preheated: past of preheat
preheater: {i} device for preheating; person who preheats something before using it
preheating: A general term for heating material, as a die in die casting, as a preliminary to operation, to reduce thermal shock and prevent adherence of molten metal
preheating: Warming of parts prior to application of a coating, recommended when adhesion is critical and when parts are being coated in humid atmospheres In some cases, this technique can be used to achieve higher-than-normal film builds
preheating: present participle of preheat
preheating: The process of heating a die casting die prior to making castings to minimize the thermal shock from the first few castings Also applies to die heating prior to die placement in the machine, for more rapid die changing and onset of production
preheating: Nonfer met -Heating a metal to a relatively high temperature for a relatively long time in order to change the structure before working Ingots are homogenized by preheating
preheating: {i} heating beforehand, warming ahead of time
preheating: Heating solder cream to drive off solvents prior to reflow; may take place as a separate process or as the first stage of reflow itself Also called drying or curing Reduces overall thermal shock
preheating: plastic may be heated before use to remove moisture contaminants
preheating: The process of heating a glass piece from room temperature to a state sufficient to prevent serious shock when plunged into a flame This can either be done in a kiln or in the backwash of a flame
preheating: The application of heat to a base metal prior to a welding or cutting operation
preheats: third-person singular of preheat