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 classic literature ?
Thus in sleep, in a fever, in madness, or in any very violent emotions of soul, our ideas may approach to our impressions; as, on the other hand, it sometimes happens, that our impressions are so faint and low that we cannot distinguish them from our ideas.
He began to doubt whether he had been wise in acting on his first impression.
She writes of her own thoughts and impressions, amid all the wonders she has seen, exactly as she might have written to some one else, if I had been travelling with her instead of her husband.
There are some people who leave impressions not so lasting as the imprint of an oar upon the water.
Prince Andrew felt that either the actions of Kutuzov's army interested the Minister of War less than any of the other matters he was concerned with, or he wanted to give the Russian special messenger that impression.
And here must have been born the child that inherited the stuff of my dreams, that had moulded into its being all the impressions of my life--or of the life of Big-Tooth, rather, who is my other-self, and not my real self, but who is so real to me that often I am unable to tell what age I am living in.
Brueghel gave me the impression of a man striving to express in one medium feelings more appropriate to expression in another, and it may be that it was the obscure consciousness of this that excited Strickland's sympathy.
One fact, at least, would have been perfectly plain to an outsider, had any such person been on the spot; and that was, that the prince had made a very considerable impression upon the family, in spite of the fact that he had but once been inside the house, and then only for a short time.
I write this, it is hardly necessary to say, under the impression that, wherever he may now be living, he is settled in the place for some little time.
Miss Dunross seems to have produced a very favorable impression on you," she said.
He was too clever for a bad governess, for a parson's daughter, to spoil; and the strangest if not the brightest thread in the pensive embroidery I just spoke of was the impression I might have got, if I had dared to work it out, that he was under some influence operating in his small intellectual life as a tremendous incitement.
He made up his mind that he would go to the shop every day; it was obvious that he had made a disagreeable impression on her, but he thought he had the wits to eradicate it; he would take care not to say anything at which the most susceptible person could be offended.