advertising
n. uncountablen. the business of telling people about products or services to make them want to buy them. You see this on TV, on websites, or on large signs in the street.
n. the activity or profession of producing advertisements for commercial products or services. Often used to refer to the industry as a whole.
The company spends a lot of money on digital advertising.
After studying marketing in college, she found a high-paying job in a large advertising agency in London.
Modern advertising relies heavily on psychological profiling and data analytics to target specific demographics with tailored messaging across multiple social media platforms.
From advertise + -ing.
The noun is uncountable when referring to the industry or the act of promoting; use 'advertisement' or 'ad' for a single specific instance.
I saw many advertisings on TV.I saw many advertisements on TV.Advertising is uncountable and refers to the activity; individual items are called advertisements or ads.