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In a cellular automaton, a nixel represents a value on a regular grid in n-dimensional space. Etymology The word nixel originated analogously to the word "pixel", with n representing "n-dimension" (instead of pixel's "picture") and el representing "element". A nixel can represent an element in any dimension. A 2-nixel is a pixel, a 3-nixel is a voxel, a 4-nixel is a hypervoxel, and so on.
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