—impressional, adj. —impressionally, adv. —impressionless, adj./im presh"euhn/, n.1. 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 Print.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.[1325-75; ME impressio(u)n < L impression- (s. of impressio), equiv. to impress(us) (see IMPRESS1) + -ion- -ION]Syn. 2. impact, imprint. 4. feeling.
* * *