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building block

 - 2 dictionary results

building block

–noun
1. block (def. 2).
2. one of a set of cube-shaped blocks used by children to make simple constructions.
3. a basic element or component: the building blocks of proteins.

Origin:
1840–50
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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building block  
n.  
  1. A block used as a building material, especially a cinder block.

  2. A small wooden or plastic cube used as a building toy.

  3. A basic element or part of something: Amino acids are the building blocks of proteins.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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