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Progressing from small or subordinate units to larger or more important units, as in an organization or process.
(Industrial Relations & HR Terms) from the lowest level of a hierarchy or process to the top: a bottom-up approach to corporate decision-making.
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|Adj.||1.||bottom-up - of an approach to a problem that begins with details and works up to the highest conceptual level; "bottom-up parser"; "a bottom-up model of the reading process"|
top-down - of an approach to a problem that begins at the highest conceptual level and works down to the details; "a top-down analysis might begin by looking at macro-economic trends"; "top-down programming"