Something popped in to my head a few days ago and I can't stop thinking about it because I can't figure it out. Everyone I ask says they don't know either.

OK... you know when you open your freezer a bunch of something billows out? What is that called? I've been told fog and steam, as well as smoke, but none of those seem right. Plus, my bf asked a bunch of Linux geeks and they just tore it to shreds and gave me no actual answer. Mist? Vapor?

Somebody has to know.