background (plural backgrounds)
- One's social heritage; what one did in the past/previously.
- The lawyer had a background in computer science.
- A part of the picture that depicts scenery to the rear or behind the main subject; context.
2013 May-June, William E. Conner, “An Acoustic Arms Race”, American Scientist, volume 101, number 3, page 206-7:
- Earless ghost swift moths become “invisible” to echolocating bats by forming mating clusters close […] above vegetation and effectively blending into the clutter of echoes that the bat receives from the leaves and stems around them. Many insects probably use this strategy, which is a close analogy to crypsis in the visible world—camouflage and other methods for blending into one’s visual background.
- Information relevant to the current situation about past events; history.
- A less important feature of scenery (as opposed to foreground).
- There was tons of noise in the background.
- The photographer let us pick a background for the portrait.
- (computing) The image or color, over which a computer's desktop items are shown (e.g. icons or application windows).
- (computing) Activity on a computer that is not normally visible to the user.
- The antivirus program is running in the background.
part of picture
less important feature
activity not visible to the user
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- To put in a position that is not prominent