⟨ ⟩

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⟨ ⟩ (English symbol name angle brackets)

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

⟨ ⟩

1. (linguistics) Encloses orthographic transcription.

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

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

• 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]