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Jun 24, 2010 · In 1972, Ray Tomlinson sent the first electronic message, now known as email, using the @ symbol to indicate the location or institution of the email recipient. Tomlinson, using a Model 33 Teletype device, understood that he needed to use a symbol that would not appear in anyone’s name so that there was no confusion.
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. It is normally read aloud as "at" and is also commonly called the at symbol, commercial at, or address sign .
at preposition (PLACE) Add to word list. A1. used to show an exact position or particular place: We'll meet you at the entrance. That bit at the beginning of the film was brilliant. She's sitting at the table in the corner. She was standing at the top of the stairs. The dog came and lay down at (= next to) my feet.
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 at sign (@), otherwise known as the ampersat, is a logogram. It is used in bills, emails and programming. In email, it is used to show a specific domain of an email address. In bills, it used to mean "at a rate of". For example, 7 widgets @ £ 2 equals £14.
Jul 3, 2015 · Definition of at preposition in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
at. at a snail's pace idiom. at the end of the day idiom. at the end of your tether idiom. at your fingertips idiom. To top. Contents. AT definition: 1. used to show the place or position of something or someone: 2. used to show the time something…. Learn more.
At: time. We use at to talk about points in time, ages and some periods of time: I was up at 6 am this morning. (a point in time) At 12 noon, all the bells rang out. (a point during the day) They all get dressed up at Halloween. (a point on the calendar)
at. (ət , STRONG æt ) In addition to the uses shown below, at is used after some verbs, nouns, and adjectives to introduce extra information. At is also used in phrasal verbs such as 'keep on at' and 'play at'. 1. preposition A1. You use at to indicate the place or event where something happens or is situated.
preposition. (used to indicate a point or place occupied in space); in, on, or near: to stand at the door; at the bottom of the barrel. (used to indicate a location or position, as in time, on a scale, or in order): at zero; at noon;
