Meaning of block diagram

block' di"agram

Pronunciation: [key]
  1. a chart or diagram using labeled blocks connected by straight lines to represent the relationship of parts or phases, as the steps in a data-processing application. Cf. flow chart (def. 2).
  2. a perspective representation of the geology of an area showing surface contours and generally including two vertical cross sections.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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