𝕏 - Wiktionary, the free dictionary

𝕏 U+1D54F, 𝕏
MATHEMATICAL DOUBLE-STRUCK CAPITAL X
𝕎
[U+1D54E]
Mathematical Alphanumeric Symbols 𝕐
[U+1D550]

Translingual

Symbol

𝕏

  1. (mathematics) Used to denote an arbitrary metric space.