What does "voxel" mean?

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.

Voxel

//ˈvɒk.səl// noun

noun ·Rare ·Advanced level

Definitions

Noun

1
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.

Etymology

Blend of volumetric + pixel.

Related phrases

three dimensional

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.