The AI-powered English dictionary
plural macroblocks
(signal processing, video compression) A block of adjacent pixels, typically a rectangular 16×16 block examples
(archaeology) An area of a dig where there are multiple adjacent block excavations quotations
In 1975 the macroblock area was stepped back so that a smaller block excavation could extend below Horizon 8.
2003, David L. Carlson, “Figuring Out "What Happened in the Middle Archaic?"”, in Theory, Method, and Practice in Modern Archaeology, page 78