Impression

(redirected from secondary impression)
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Impression

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.
References in periodicals archive ?
Admix impression technique described by McCord and Tyson was used to record the mandibular secondary impression.
3 Also there is another impression material which is muco-compressive, thermoplastics and frequently used in dentistry to record primary impression and also secondary impression for detail record of oral cavity borders.
These casts were surveyed and the necessary mouth preparation was performed on the patient before making secondary impression.

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