What Does It Mean?
You are correct!
From our dictionary:
mi•as•ma
(mI•az'mu, mE-), —n., —pl. -mas, -ma•ta (-mu•tu)
1. noxious exhalations from putrescent organic matter; poisonous effluvia or germs polluting the atmosphere.
2. a dangerous, foreboding, or deathlike influence or atmosphere.
(mI•az'mu, mE-), —n., —pl. -mas, -ma•ta (-mu•tu)
1. noxious exhalations from putrescent organic matter; poisonous effluvia or germs polluting the atmosphere.
2. a dangerous, foreboding, or deathlike influence or atmosphere.