Noun

(cameras)

A device for taking still or moving pictures or s.

* {{quote-magazine, year=2013, month=July-August, author= Fenella Saunders

, title= Tiny Lenses See the Big Picture, magazine=(American Scientist) , passage=The single-imaging optic of the mammalian eye offers some distinct visual advantages. Such lenses can take in photons from a wide range of angles, increasing light sensitivity. They also have high spatial resolution, resolving incoming images in minute detail. It’s therefore not surprising that most cameras mimic this arrangement.}}

(video games) The game or simulation.

* 2003 , Tom Meigs, Ultimate game design: building game worlds

If you're building a third-person game with enclosed or tight spaces, try to figure out up front what camera problems you will likely encounter. Use this identification process to influence the early building process.

* 2006 , Patrick O'Luanaigh, Game Design Complete

I'm talking about the way the camera flies up above the skater when you leap into the air. No one had done it before.

Noun

(en noun)

A reserve or substitute.

If the goalkeeper is injured, we have a backup .

(computing) A copy of a file or record, stored separately from the original, that can be used to recover the original if it is destroyed or damaged.

After the power failure, we had to restore the database from backup .

An accumulation of material that halts the flow or movement of something.

The blockage caused a backup in the plumbing.

(law enforcement) reinforcements

He's got a gun - you better send for backup .