Defog vs Defrost - What's the difference?

As verbs the difference between defog and defrost

is that defog is to remove the moisture or fog from while defrost is to remove frost from.

to remove the moisture or fog from.

(informal) to make intelligible.

(en verb)

To remove frost from.

I have just defrosted the fridge.

To thaw something.

Will you defrost the chops for supper tonight?

(informal) To recover from something tiresome.

See you tomorrow evening; I'll have defrosted from my trip by then.

* autodefrost