impression

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Related to silicone impression: dental impression

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 ?
Rubber gloves and addition silicone impression materials.
Silicone impressions, or moulds, were taken from the backs of all participants' hands at the start and end of the trial to grade the damage over the four and a half years of the study.
The shape and snug fit -- based on Ultimate Ears' 10 years of experience in handcrafting earphones from silicone impressions of customers' ears -- yield maximum wearing comfort as well as 26 dB of noise isolation to ensure that you can hear the music instead of the drone of the rowing machine or the roar of the train.