Circled plus

Look up ⊕ in Wiktionary, the free dictionary.

This article contains uncommon Unicode characters. Without proper rendering support, you may see question marks, boxes, or other symbols instead of the intended characters.

Circled plus (⊕) or n-ary circled plus (⨁) (in Unicode, U+2295 ⊕ CIRCLED PLUS, U+2A01 ⨁ N-ARY CIRCLED PLUS OPERATOR) may refer to:

• Sun cross, a circle containing four or more spokes with many variants and uses
• Earth symbol, astronomical and alchemical symbols for Earth, indicated by U+1F728 🜨 ALCHEMICAL SYMBOL FOR VERDIGRIS
• Coptic cross, associated with Coptic Christians
• Celtic cross, associated with Celtic Christianity in the Early Middle Ages
• Crosses in heraldry, including U+1F540 🕀 CIRCLED CROSS POMMEE, U+1F902 🤂 CIRCLED CROSS FORMEE and variants thereof

Mathematics and computing

• Direct sum, an operation from abstract algebra
• Dilation (morphology), mathematical morphology
• Tensor product, a mathematical operation indicated by U+2297 ⊗ CIRCLED TIMES
• Exclusive or, a logical operation that outputs true only when inputs differ

Languages

• Linear A, an undeciphered Minoan script including the character U+1063E 𐘾 LINEAR A SIGN AB077
• Linear B, a syllabary used for writing Mycenaean Greek including the characters U+1000F 𐀏 LINEAR B SYLLABLE B077 KA and U+100CF 𐃏 LINEAR B IDEOGRAM B243 WHEEL
• Carian alphabets, including the character U+102A8 𐊨 CARIAN LETTER Q
• Teth, Phoenician letter U+10908 𐤈 PHOENICIAN LETTER TET
• Tifinagh, a Berber script including the letter U+2D32 ⴲ TIFINAGH LETTER YABH

Other uses

• The Zodiac Killer used a cross-circle as a signature for his letters

See also

• List of screw drives
• ⊖ (disambiguation)

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