You nose detects it and your brain reacts to it; it's odor. Just because you don't consciously perceive it doesn't mean it isn't odor. If it isn't odor then t

You nose detects it and your brain reacts to it; it's odor. Just because you don't consciously perceive it doesn't mean it isn't odor. If it isn't odor then there isn't any other good word for it.