Learn how to say Commercials correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word commercial:
of, connected with, or engaged in commerce; mercantile
sponsored or paid for by an advertiser ⇒ commercial television
having profit as the main aim ⇒ commercial music
(of goods, chemicals, etc) of unrefined quality or presentation and produced in bulk for use in industry
a commercially sponsored advertisement on radio or television