multigrid
adjective
mul·ti·grid
| \ ˌməl-tē-ˈgrid
, -ˌtī-\
, -ˌtī-\
Definition of multigrid
mathematics
: relating to or being any of multiple stepwise methods of refining an approximate solution to a differential equation by mapping the error of the approximate solution onto a progressively coarser grid (see grid sense 2b)
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