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(Terms in italics are defined elsewhere in the glossary)

Wheeler box-grid An excavation technique developed by Mortimer Wheeler from the work of Pitt-Rivers, involving retaining intact baulks of earth between excavation grid squares, so that different layers can be correlated across the site in the vertical profiles. (chapter 3)

world system A term coined by the historian Wallerstein to designate an economic unit, articulated by trade networks extending far beyond the boundaries of individual political units (nation states), and linking them together in a larger functioning unit. (Chapter 9)