Definition
Ad is a noun that refers to an advertisement, a public notice or announcement promoting a product, service, event, or other forms of marketing communication. It is commonly used as a shortened form of the word "advertisement."
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Etymology
The word "ad" is a shortened form of "advertisement," which originates from the Latin word "advertere," meaning "to turn toward." The abbreviation "ad" began to be commonly used in English in the late 19th century as a colloquial term for advertisements.
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Usage
The term "ad" is widely used to refer to any form of promotional content aimed at encouraging consumer interest in a product or service. For example, "The company launched a new ad campaign," or "She saw an ad for the upcoming concert."
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