a strong effect produced on the intellect, feelings, conscience, etc.
2.
the first and immediate effect of an experience or perception upon the mind; sensation.
3.
the effect produced by an agency or influence.
4.
a notion, remembrance, belief, etc., often of a vague or indistinct nature: He had a general impression of lights, voices, and the clinking of silver.
5.
a mark, indentation, figure, etc., produced by pressure.
6.
an image in the mind caused by something external to it.
7.
the act of impressing; state of being impressed.
8.
Dentistry. a mold taken, in plastic materials or plaster of Paris, of teeth and the surrounding tissues.
9.
an imitation of the voice, mannerisms, and other traits of a person, esp. a famous person, as by an entertainer: The comedian did a hilarious impression of the president.
10.
Chiefly Printing.
a.
the process or result of printing from type, plates, etc.
b.
a printed copy from type, a plate, an engraved block, etc.
c.
one of a number of printings made at different times from the same set of type, without alteration (distinguished from edition).
d.
the total number of copies of a book, pamphlet, etc., printed at one time from one setting of type or from one set of plates.
11.
Metalworking. a portion of a die having in reverse the intended form of an object to be forged.
[Origin: 1325–75; ME impressio(u)n < L impressiōn- (s. of impressiō), equiv. to impress(us) (see impress1) + -iōn--ion]
An effect, feeling, or image retained as a consequence of experience.
A vague notion, remembrance, or belief: I have the impression that we have met once before.
A mark produced on a surface by pressure.
The act or process of impressing.
Printing
All the copies of a publication printed at one time from the same set of type.
A single copy of such a printing.
A humorous imitation of the voice and mannerisms of a famous person done by an entertainer.
An initial or single coat of color or paint.
Dentistry An imprint of the teeth and surrounding tissues, formed with a plastic material that hardens into a mold for use in making dentures, inlays, or plastic models.
Synonyms: These nouns denote a visible mark made on a surface by pressure: an impression of a notary's seal on wax; the impress of bare feet in the sand; a medal with the imprint of a bald eagle; the print of automobile tires in the tar; a gold ingot with the refiner's stamp.
a vague idea in which some confidence is placed; "his impression of her was favorable"; "what are your feelings about the crisis?"; "it strengthened my belief in his sincerity"; "I had a feeling that she was lying"
2.
an outward appearance; "he made a good impression"; "I wanted to create an impression of success"; "she retained that bold effect in her reproductions of the original painting"
3.
a clear and telling mental image; "he described his mental picture of his assailant"; "he had no clear picture of himself or his world"; "the events left a permanent impression in his mind" [syn: mental picture]
4.
a concavity in a surface produced by pressing; "he left the impression of his fingers in the soft mud" [syn: depression]
5.
a symbol that is the result of printing or engraving; "he put his stamp on the envelope" [syn: stamp]
6.
all the copies of a work printed at one time; "they ran off an initial printing of 2000 copies"
7.
(dentistry) an imprint of the teeth and gums in wax or plaster; "the dentist took an impression for use in preparing an inlay"
8.
an impressionistic portrayal of a person; "he did a funny impression of a politician"
9.
the act of pressing one thing on or into the surface of another; "he watched the impression of the seal on the hot wax"
An effect, a feeling, or an image retained as a consequence of experience.
A
mark or indentation made by the pressure of one organ on the surface of another.
An imprint of the teeth and surrounding tissues, formed with a plastic material that hardens into a mold for
use in making dentures, inlays, or plastic models.
Main Entry: im·pres·sion Pronunciation: im-'presh-&n Function: noun 1: an imprint in plastic material of the surfaces of the teeth
and adjacent portions of the jaw from which a likeness may be produced in dentistry 2: an especially marked influence or effect on the senses or the mind
An advertisement's (usually a banner ad) appearance on a web page. Ad space is often sold on a CPM basis.
Investopedia Commentary
For
example, if the page you're on shows five ads, that's five impressions. On this particular page there are two impressions, one for the banner at the top and one for the banner on the bottom of the
page.
Im*pres"sion\, n. [F. impression, L. impressio.]1. The act of impressing, or the state of being impressed; the communication of a stamp, mold, style, or character, by external force or by influence. 2. That which is impressed; stamp; mark; indentation; sensible result of an influence exerted from without. The stamp and clear impression of good sense. --Cowper. To shelter us from impressions of weather, we must spin, we must weave, we must build. --Barrow. 3. That which impresses, or exercises an effect, action, or agency; appearance; phenomenon. [Obs.] Portentous blaze of comets and impressions in the air. --Milton. A fiery impression falling from out of Heaven. --Holland. 4. Influence or effect on the senses or the intellect hence, interest, concern. --Reid. His words impression left. --Milton. Such terrible impression made the dream. --Shak. I have a father's dear impression, And wish, before I fall into my grave, That I might see her married. --Ford. 5. An indistinct notion, remembrance, or belief. 6. Impressiveness; emphasis of delivery. Which must be read with an impression. --Milton. 7. (Print.) The pressure of the type on the paper, or the result of such pressure, as regards its appearance; as, a heavy impression; a clear, or a poor, impression; also, a single copy as the result of printing, or the whole edition printed at a given time. Ten impressions which his books have had. --Dryden. 8. In painting, the first coat of color, as the priming in house painting and the like. [R.] 9. (Engraving) A print on paper from a wood block, metal plate, or the like. Proof impression, one of the early impressions taken from an engraving, before the plate or block is worn.
Proof\, a. 1. Used in proving or testing; as, a proof load, or proof charge. 2. Firm or successful in resisting; as, proof against harm; waterproof; bombproof. I . . . have found thee Proof against all temptation. --Milton. This was a good, stout proof article of faith. --Burke. 3. Being of a certain standard as to strength; -- said of alcoholic liquors. Proof charge (Firearms), a charge of powder and ball, greater than the service charge, fired in an arm, as a gun or cannon, to test its strength. Proof impression. See under Impression. Proof load (Engin.), the greatest load than can be applied to a piece, as a beam, column, etc., without straining the piece beyond the elastic limit. Proof sheet. See Proof, n., 5. Proof spirit (Chem.), a strong distilled liquor, or mixture of alcohol and water, containing not less than a standard amount of alcohol. In the United States "proof spirit is defined by law to be that mixture of alcohol and water which contains one half of its volume of alcohol, the alcohol when at a temperature of 60[deg] Fahrenheit being of specific gravity 0.7939 referred to water at its maximum density as unity. Proof spirit has at 60[deg] Fahrenheit a specific gravity of 0.93353, 100 parts by volume of the same consisting of 50 parts of absolute alcohol and 53.71 parts of water," the apparent excess of water being due to contraction of the liquids on mixture. In England proof spirit is defined by Act 58, George III., to be such as shall at a temperature of 51[deg] Fahrenheit weigh exactly the 12/13 part of an equal measure of distilled water. This contains 49.3 per cent by weight, or 57.09 by volume, of alcohol. Stronger spirits, as those of about 60, 70, and 80 per cent of alcohol, are sometimes called second, third, and fourth proof spirits respectively. Proof staff, a straight-edge used by millers to test the flatness of a stone. Proof stick (Sugar Manuf.), a rod in the side of a vacuum pan, for testing the consistency of the sirup. Proof text, a passage of Scripture used to prove a doctrine.
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