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Definition of Voxel
1. Noun. (computer graphics) the three-dimensional analogue of a pixel; a volume element representing some numerical quantity, such as the colour, of a point in three-dimensional space, used in the visualisation and analysis of three-dimensional (especially scientific and medical) data ¹
¹ Source: wiktionary.com
Definition of Voxel
1. a three dimensional equivalent to a pixel (a point in a computer image) [n -S]
Medical Definition of Voxel
1. A contraction for volume element, which is the basic unit of CT or MR reconstruction; represented as a pixel in the display of the CT or MR image. (05 Mar 2000)