<p><strong>Noun</strong></p><ul><li>a strong effect produced on the intellect, feelings, conscience, etc.</li><li>the first and immediate effect of an experience or perception upon the mind; sensation.</li><li>Synonyms: imprint, impact.</li><li>the effect produced by an agency or influence.</li><li>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.</li><li>Synonyms: feeling.</li><li>a mark, indentation, figure, etc., produced by pressure.</li><li>an image in the mind caused by something external to it.</li><li>the act of impressing; state of being impressed.</li><li>Dentistry: a mold taken, in plastic materials or plaster of Paris, of teeth and the surrounding tissues.</li><li>an imitation of the voice, mannerisms, and other traits of a person, especially a famous person, as by an entertainer: The comedian did a hilarious impression of the president.</li><li>Chiefly Printing: the process or result of printing from type, plates, etc.</li><li>a printed copy from type, a plate, an engraved block, etc.</li><li>one of a number of printings made at different times from the same set of type, without alteration (edition).</li><li>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.</li><li>Metalworking: a portion of a die having in reverse the intended form of an object to be forged.</li></ul>