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me·di·a·tion .mēd-ē-'ā-shən n the act or process of mediating something (as a physical process)
me·di·a·tion·al -shnəl, -shən-əl adj
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me·di·a·tion (me″de-aґshən) the act of intervening or serving as an intermediary.Medical dictionary. 2011.