building block

noun

Definition of building block

  1. :  a unit of construction or composition; especially :  something essential on which a larger entity is based

Examples of building block in a sentence

  1. <historically the infantry division has been a basic building block of armies>

1756

First Known Use of building block

1756


BUILDING BLOCK Defined for English Language Learners

building block

noun

Definition of building block for English Language Learners

  • : an important part that is grouped together with many other similar things to form something larger


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