infomercial به انگلیسی

From Longman Dictionary

in‧fo‧mer‧cial /ˈɪnfəʊmɜːʃəl $ -foʊmɜːr-/ noun [countable]
a long television advertisement that provides a lot of information and seems like a normal programme

Example
Most of us are, at least in a hall that big, and on a nationally broadcast infomercial
His little movie is like a classy infomercial for Shakespeare
Her work recently included the trial of convicted infomercial stars William and Chantal McCorkle trial
So marketers are turning to half-hour infomercials carried through the countryside in video vans
I find this hard to believe, because the infomercials are so unabashedly enthusiastic about the process of selling