∯

∯ U+222F, ∯ SURFACE INTEGRAL ← ∮ [U+222E] Mathematical Operators ∰ → [U+2230]

Translingual

Symbol

∯

1. (mathematics) a surface integral over a closed surface (a contour integral over two variables).

Related terms

• ∫
• ∬
• ∭
• ⨌
• ∮
• ∰
• ∱
• ⨑
• ∲
• ∳
• ⨐