⊟

⊟ U+229F, ⊟ SQUARED MINUS ← ⊞ [U+229E] Mathematical Operators ⊠ → [U+22A0]

Translingual

Etymology

Compare ⊞, ⊟, ⊠, and ⊡.

Symbol

⊟

1. (mathematics) Generic symbol for a subtraction-like operation, usually related to an additive operation ⊞, to distinguish it from subtraction denoted by −.
2. (computing, dated) ISO 2047 symbol for Data Link Escape