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English definition of “symbol”

symbol

noun [C]     /ˈsɪmbəl/
SIGN B2 a sign or object that is used to represent something: A heart shape is the symbol of love .Signs, signals and symbolsSpecific signs and symbols
CHEMISTRY a number , letter , or sign that is used instead of the name of a chemical substance , another number , etc : The symbol for oxygen is O. → See also status symbolSigns, signals and symbolsSpecific signs and symbols
(Definition of symbol noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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