We found one dictionary that defines the word nonacnegenic:

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1. nonacnegenic: Wiktionary

Definitions from Wiktionary (nonacnegenic) ▸ adjective:  Not acnegenic. ▸ Words similar to nonacnegenic ▸ Usage examples for nonacnegenic ▸ Idioms related to nonacnegenic ▸ Wikipedia articles (New!) ▸ Popular nouns described by nonacnegenic ▸ Words that often appear near nonacnegenic ▸ Rhymes of nonacnegenic ▸ Invented words related to nonacnegenic