impression

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impression

Dentistry an imprint of the teeth and gums, esp in wax or plaster, for use in preparing crowns, inlays, or dentures

impression

[im′presh·ən]
(geology)
A form left on a soft soil surface by plant parts; the soil hardens and usually the imprint is a concave feature.
(graphic arts)
A print made from an engraved plate.
A press run or printing of a book.
(metallurgy)
A machined cavity in a forging die for production of a specific geometric shape in the workpiece.

impression

An advertisement on a Web page. If ads on the Web are not based on a click-through rate (CTR), they are typically sold on a cost per thousand (CPM) basis. One impression is one banner ad displayed on one page. Also called a "view" or "ad view." See banner ad, interstitial ad, pay-per-click and click-through rate.
References in periodicals archive ?
10 Traditionally, Preliminary impression of edentulous mouth is recorded using stock trays and custom trays are used for final impressions.
This preliminary impression was filled using dental stone type IV (Herostone, Vigodent, Petropolis, RJ, Brazil) to obtain a replica of the artificial canine (control).
Even where the transcriptionist/editor received the report, we asked each radiologist to go ahead and self-correct their preliminary impression.
The material is similar to that used for final impressions, but modified for use as a preliminary impression material.
My preliminary impression is that we're moving in the right direction, and we found information access was one of the most popular areas," says meeting organizer Sally Katzen, administrator of the Office of Management and Budget's Office of Information and Regulatory Affairs.
A little more than a week after the devastating earthquake and the resulting tsunami in Japan, the Volvo Group (STO:VOLVB) (STO:VOLVA) has been able to shape a preliminary impression of the consequences for the Group.

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