⟨ ⟩

⟨ U+27E8, ⟨ MATHEMATICAL LEFT ANGLE BRACKET ← ⟧ [U+27E7] Miscellaneous Mathematical Symbols-A ⟩ → [U+27E9]

⟩ U+27E9, ⟩ MATHEMATICAL RIGHT ANGLE BRACKET ← ⟨ [U+27E8] Miscellaneous Mathematical Symbols-A ⟪ → [U+27EA]

Character variations

⧼ U+29FC, ⧼ LEFT-POINTING CURVED ANGLE BRACKET ← ⧻ [U+29FB] Miscellaneous Mathematical Symbols-B ⧽ → [U+29FD]

⧽ U+29FD, ⧽ RIGHT-POINTING CURVED ANGLE BRACKET ← ⧼ [U+29FC] Miscellaneous Mathematical Symbols-B ⧾ → [U+29FE]

See also: ‹ ›, bra-ket, ⟪ ⟫, 〈 〉, and く

Translingual

Symbol

⟨ ⟩ (English symbol name angle brackets)

1. (mathematics) Encloses the inner product of two vectors.
2. (mathematics) Denotes the expectation value of something.

Punctuation mark

⟨ ⟩

1. (linguistics) Encloses orthographic transcription.

   Coordinate terms: / /, [ ], ⫽ ⫽, | |, ‖ ‖, { }, ! !, \ \, ⸢ ⸣

2. (papyrology, epigraphy) Encloses restored writing that was mistakenly omitted by the original scribe.

Usage notes

• For these uses, the characters U+27E8 MATHEMATICAL LEFT ANGLE BRACKET and U+27E9 MATHEMATICAL RIGHT ANGLE BRACKET should be used.
• The characters U+2329 LEFT-POINTING ANGLE BRACKET and U+232A RIGHT-POINTING ANGLE BRACKET are "deprecated and are strongly discouraged for mathematical use because of their canonical equivalence to CJK punctuation" U+3008 LEFT ANGLE BRACKET 〈 and U+3009 RIGHT ANGLE BRACKET 〉.^[1]

Alternative forms

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References

1. The Unicode Standard, Version 15.1‎ (pdf), 2023 September 12, Miscellaneous Technical Range: 2300–23FF