bulk(redirected from bulking up)
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1. unpackaged cargo or goods
2. a ship's cargo or hold
3. in bulk
a. (of a cargo, etc.) unpackaged
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
In book printing, the thickness of paper, in terms of the number of pages per inch for a given basis weight.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.