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onion smudge

noun
variants: or onion scab

Definition of onion smudge 

1 : a common fungus disease of the onion characterized by black concentric internal rings or smutty spots on the surface of the bulb scales

2 : the fungus (Colletotrichum circinans) that causes onion smudge

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Dictionary Entries near onion smudge

onion set

onionskin

onionskin pink

onion smudge

onion smut

onion thrips

onir-

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