Impression

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Related to silicone impression: dental impression

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 ?
Pratten DH and Craig RG: Wettability of a hydrophilic addition silicone impression material.
Linear dimensional change in addition silicone impression material.