∷

∷ U+2237, ∷ PROPORTION ← ∶ [U+2236] Mathematical Operators ∸ → [U+2238]

See also: ⸬, ::, and : :

Translingual

Symbol

∷

1. (mathematics) As; in the same proportion as.

   2:4∷3:6

   2 is to 4 as 3 is to 6.