freezer burn

noun

1. light-colored spots that appear on frozen food, caused by loss of surface moisture due to faulty packaging or improper freezing methods.

Example Sentences

To prevent freezer burn, I find it's best to store them in heavy-duty, freezer-safe zip-top bags.

From Washington Post

But it will minimize freezer burn, extending the life and flavor of your frozen pot roasts and other goodies.

From The Daily Beast

Freezing  this kind of vacuum sealer will not cut down on freezer burn entirely--the bags are not quite thick enough for that.

From The Daily Beast