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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.
At, in and to (movement) We use to when we are talking about movement in the direction of a point, place, or position: …. At, on and in (place) We use at: …. At, on and in (time) We use at: …. Other uses of in with time. We use in to say how long it takes someone to do something: …. Time expressions without at, on, in.
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.”.
Definition of at preposition in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
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. 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.
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. At definition: (used to indicate a point or place occupied in space); in, on, or near. See examples of AT used in a sentence.
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 age 65; at the end; at the lowest point. (used to indicate presence or location): at home; at hand.
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.
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.
