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The at sign, @, is an accounting and invoice abbreviation meaning "at a rate of" (e.g. 7 widgets @ £2 per widget = £14), [1] now seen more widely in email addresses and social media platform handles.

2025年3月7日 · The meaning of AT is —used as a function word to indicate presence or occurrence in, on, or near. How to use at in a sentence.

AT definition: 1. used to show an exact position or particular place: 2. used to show an exact or a particular…. Learn more.

What is an at sign? On the Internet, @ (pronounced "at" or "at sign" or "address sign") is the symbol in an E-mail address that separates the name of the user from the user's Internet address, as in this hypothetical e-mail address example: [email protected].

2010年6月24日 · Before the @ symbol became a standard key, the @ sign had a long past. Learn its history, use & meaning now.

At sign, symbol (@) used primarily to direct electronic communication to specified entities, most notably in email addresses and social media handles. Before the late 20th century its primary use was commercial, where it signified “at the rate of.” The …