quinary

/ˈkwaɪnəri/
adjective
  1. Relating to or based on the number five; having five parts or elements.
    • The classification scheme is quinary, dividing the data into five main categories.
    • Some ancient cultures used a quinary counting system based on the five fingers.
    • The quinary system uses digits 0 through 4, just like decimal uses 0 through 9.
Synonyms
What does "quinary" mean? | whatsthatwordmean | whatsthatwordmean