(dentistry) an imprint of the teeth and gums in wax or plaster(noun.artifact)
Example: The dentist took an impression for use in preparing an inlay.
source: wordnet30
an impressionistic portrayal of a person(noun.act)
Example: He did a funny impression of a politician.
source: wordnet30
the act of pressing one thing on or into the surface of another(noun.act)
Example: He watched the impression of the seal on the hot wax.
source: wordnet30
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.(noun)