multigrid

adjective
mul·​ti·​grid | \ ˌməl-tē-ˈgrid How to pronounce multigrid (audio) , -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)

First Known Use of multigrid

1977, in the meaning defined above

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The first known use of multigrid was in 1977

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