unfolder

/ʌnˈfoʊldər/
noun
  1. A person or thing that unfolds something.
    • The app includes an unfolder tool that expands compressed files.
    • She was the unfolder of the ancient scrolls in the museum.
    • The machine acted as an unfolder, quickly opening each envelope for sorting.
Synonyms
What does "unfolder" mean? | whatsthatwordmean | whatsthatwordmean