Impression
# Impression

An impression is the overall effect of something.

Impression or impressions may also refer to:

## Biology

* Colic impression, a feature of the gall bladder
* Duodenal impression, medial to the renal impression
* Gastric impression, a feature of the liver
* Impression (dental), a dental procedure
* Maternal impression, the effect of maternal mental states on foetal development
* Renal impression, a feature of the gall bladder
* Suprarenal impression, a feature of the gall bladder

## Psychology

* First impression
* Mental impressions (from the Sanskrit "Samskara")
* Mental dispositions or conditioned phenomena (from the Buddhist term Saṅkhāra)

### Idiomatic expressions

An idiom is a phrase or a fixed expression that has a figurative, or sometimes literal, meaning.

* "To make a good first impression"
* "To be under the impression of"

## Publishing and advertising

* Impression (publishing), a print run of a given edition of a work
* Impression (online media), a delivered basic advertising unit from an ad distribution point
   * Cost per impression, cost accounting tool using in e-marketing
   * Viewable Impression, a metric used to report on number of distributed ads that were viewable
* Impression (software), a desktop publishing application for RISC OS systems
* Impressions, the in-flight magazine for British Mediterranean Airways
* Impressions Media, an American privately-owned publisher of newspapers

## Art

* Impression, Sunrise, an 1872 painting by Claude Monet
* Post-Impressionism, the development of French art since Manet
* Impressions, journal of The Japanese Art Society of America

## Music

* The Impressions, a music group from Chicago
* Impressions (instrumental composition), a jazz standard composed by John Coltrane

### Albums

* Impression (album), the soundtrack from the anime series Samurai Champloo
* Impressions (John Coltrane album), a 1963 album by jazz musician John Coltrane
* Impressions (Buck Hill album), a 1983 album by saxophonist Buck Hill
* Impressions (Chris Botti album), the 2012 album by trumpeter Chris Botti
* Impressions!, a 1959 album by Paul Horn
* Impressions (Laura Nyro album), the first compilation retrospective album by Laura Nyro
* Impressions (Lunatic Soul album), 2011
* Impressions (Mike Oldfield album), a 1980 compilation album by Mike Oldfield released
* Impressions (Mal Waldron album), a 1959 album by Mal Waldron
* The Impressions (album), a 1963 album

## Other uses

* Impressions, a form of mimicry practised by an impressionist (entertainment)
* Impressions (Angel novel), a 2003 novel derivative of the television series Angel
* Impressions Games, a video game developer
