mildew
US /ˈmɪl.duː/
UK /ˈmɪl.duː/

1.
muffa, oidio
a thin whitish coating of a fungus that grows on plants or damp organic material such as paper or leather
:
•
The old books in the attic were covered in mildew.
I vecchi libri in soffitta erano coperti di muffa.
•
You can smell the mildew in this damp basement.
Si può sentire l'odore di muffa in questo seminterrato umido.