rust fungus

Questions about rust fungus

What does rust fungus mean?

rust fungus means "any of various fungi causing rust disease in plants".

What is another word for rust fungus?

Close synonyms include rust. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is rust fungus a common word?

rust fungus is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.