≡
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Look up ≡ in Wiktionary, the free dictionary.
The symbol ≡ (triple bar) is used in science and mathematics with several different meanings. It may refer to the following:
Mathematics
[edit]- Identity (mathematics), identity of two mathematical expressions
- Logical biconditional, in logic (if and only if)
- Modular arithmetic, a ≡ b (mod m)
- Equivalence relation, often denoted using a triple bar
Chemistry
[edit]- Triple bond, a type of covalent bond between two atoms
Computing
[edit]- Hamburger button, often used for drop-down menus
- Symbol for the line feed character in ISO 2047
See also
[edit]- ≅, a symbol used in approximation
- The eight trigrams of the Bagua: ☰, ☱, ☲, ☳, ☴, ☵, ☶, ☷
- Ξ, capital letter Xi of the Greek alphabet
- 三, Chinese numeral for the number 3
- Glossary of mathematical symbols
- Tesla Model 3, whose logo originally stylized the digit 3 as three horizontal bars
- III (disambiguation), three letter Is in a row