We found one dictionary that defines the word machine proof:

Art (1 matching dictionary)

1. English-Chinese Dictionary of Graphic Communications (Big 5) (No longer online)

▸ Words similar to machine proof ▸ Usage examples for machine proof ▸ Idioms related to machine proof ▸ Wikipedia articles (New!) ▸ Words that often appear near machine proof ▸ Rhymes of machine proof ▸ Invented words related to machine proof