Mean coating意思

"Mean coating" is not a standard term in English, and it's not immediately clear what it might refer to without more context. The word "mean" can have several different meanings depending on the context, including average, intended, or even unkind or unpleasant. The word "coating" typically refers to a covering or layer applied to something else.

If you're referring to a technical or industry-specific term, it's possible that "mean coating" could have a specialized meaning. However, without additional context, it's difficult to provide a precise definition. If you can provide more details about the context in which you encountered "mean coating," I might be able to offer a more accurate explanation.