Impression(redirected from mercaptan impression)
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia.
A user's view of an online advertisement. Each time a website viewer sees an online ad, this is one impression. The more impressions an ad receives, the more likely it is that a user will click on it. Most online ads are sold by cost per thousand of impressions. See also: CPC.
Farlex Financial Dictionary. © 2012 Farlex, Inc. All Rights Reserved