What does the at sign mean?

The at sign, @, is an accounting and invoice abbreviation meaning "at a rate of" (e.g. 7 widgets @ £ 2 per widget = £14), now seen more widely in email addresses and social media platform handles. It is normally read aloud as "at" and is also commonly called the at symbol, commercial at, or address sign .

What does at mean?

Get a quick, free translation! AT definition: 1. used to show an exact position or particular place: 2. used to show an exact or a particular…. Learn more.

Is at a preposition?

"It's dictionary at cambridge dot org ." I'm not going to buy those shoes at $150! Inflation is running at 5 percent. He was driving at 120 mph when the police spotted him. At is a preposition. We use at to refer to time or place. We also use it to refer to activities. … We use at to talk about points in time, ages and some periods of time: …