It can be safe to use small amounts of aluminum foil in a microwave oven. Microwaves cannot pass through metal but are absorbed by food. No food completely covered by aluminum foil or in a covered metal pan should be put in a microwave oven because food wouldn't be available to absorb the microwaves.t can be safe to use small amounts of aluminum foil in a microwave oven. Microwaves cannot pass through metal but are absorbed by food. No food completely covered by aluminum foil or in a covered metal pan should be put in a microwave oven because food wouldn't be available to absorb the microwaves.
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Definition of goof. intransitive verb. 1a : to spend time idly or foolishly âusually used with off goofing off instead of workingb : to engage in playful activity âusually used with around goofing around after school. 2 : to make a usually foolish or careless mistake : blunder âoften used with up.