impression

/ɪmˈpreʃən/ noun [C]

Definition

› (also ad view) MARKETING, E-COMMERCE a single time that an internet advertisement is seen by a user: They market a company's product for a fixed rate per 1,000 impressions. → See also cost per impression, page view

› PRODUCTION all the copies of a book that have been printed at the same time without any changes being made: This is the second impression of the encyclopedia.

(Definition of impression noun from the Cambridge Business English Dictionary © Cambridge University Press)