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The third gives symbols listed elsewhere in the table that are similar to it in meaning or appearance, or that may be confused with it; The fourth (if present) links to the related article(s) or adds a clarification note.
Alchemical symbols; Astronomical symbols. Planet symbols; Chemical symbols; Electronic symbol (for circuit diagrams, etc.); Engineering drawing symbols; Energy Systems Language; Hazard symbols
The word symbol derives from the late Middle French masculine noun symbole, which appeared around 1380 in a theological sense signifying a formula used in the Roman Catholic Church as a sort of synonym for 'the credo'; by extension in the early Renaissance it came to mean 'a maxim' or 'the external sign of a sacrament'; these meanings were lost in secular contexts.
From mathematical symbols to road signs, these icons play a crucial role in our lives, often conveying a powerful meaning with just a simple image.In this trivia quiz, we challenge you to identify ...
For example, a red octagon only carries the meaning of 'stop' due to the public association and reification of that meaning over time. In the field of semiotics , these are a type of pure sign , a term which also includes symbols using non-graphical media.
The equals sign (British English) or equal sign (American English), also known as the equality sign, is the mathematical symbol =, which is used to indicate equality in some well-defined sense. [1] In an equation , it is placed between two expressions that have the same value, or for which one studies the conditions under which they have the ...
The triple bar or tribar, ≡, is a symbol with multiple, context-dependent meanings indicating equivalence of two different things. Its main uses are in mathematics and logic. It has the appearance of an equals sign = with a third line.
Miscellaneous Symbols Unicode block Official name Glyph Codepoint HTML Official description Black sun with rays: ☀: U+2600 ☀ Clear weather Cloud: ☁: U+2601 ☁