At sign - Wikipedia
The at sign, @, is normally read aloud as "at"; it is also commonly called the at symbol, commercial at, or address sign.It is used as an accounting and invoice abbreviation meaning "at a rate of" (e.g. 7 widgets @ £2 per widget = £14), but it is now seen more widely in email addresses and social media platform handles.. The absence of a single English word for the symbol has prompted some ...
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