1. Smut fungus causing blackish blisters on scales and leaves of onions; especially destructive to seedlings
   - onion smut

Type of: smut, smut fungus

• unnoted
• unnoticeable
• unnoticeableness
• unnoticeably
• unnoticed
• unnourished
• unnumberable
• unnumbered
• unnumerable
• unobjectionable
• unobjective
• unobligated
• unobliging
• unobservable
• unobservant
• unobserved
• unobserved fire
• unobstructed
• unobtainable
• unobtrusive
• unobtrusively
• unobtrusiveness
• unobvious
• unoccupied
• unoffending