⟨ ⟩

⟨ 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]

〈 U+3008, 〈 LEFT ANGLE BRACKET ← 〇 [U+3007] CJK Symbols and Punctuation 〉 → [U+3009]

〉 U+3009, 〉 RIGHT ANGLE BRACKET ← 〈 [U+3008] CJK Symbols and Punctuation 《 → [U+300A]

See also: ‹ ›, bra-ket, and ⟪ ⟫

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 representation.
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."

Alternative forms

• < >

Coordinate terms

• / / (for phonemic representation in linguistics)
• [ ] (for phonetic representation in linguistics)

Chinese

Punctuation mark

〈 〉

1. Encloses titles of books when embedded within a book title.
2. Encloses titles of sections of a book.

See also

• 《 》

Japanese

Punctuation mark

〈 〉

1. Encloses titles of books.