ℝ
Definition from Wiktionary, the free dictionary

See also: Appendix:Variations of "r"
Translingual[edit]
Etymology[edit]
Noun[edit]
ℝ
 (mathematics) The set of real numbers.
 (mathematics) This set, equipped with any of its standard structure; the real line.
Derived terms[edit]
 ℝorder tree (English)