building block

noun

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

Examples of building block in a Sentence

historically the infantry division has been a basic building block of armies
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
On the early Earth, however — before the rise in atmospheric oxygen due to photosynthesis — lightning may have played a crucial role in creating many prebiotic compounds, which are molecules that form the building blocks of proteins. Paul Sutter, Space.com, 20 May 2025 This creates empathy and connection, the building blocks of a truly inclusive culture. Steve Salee, Forbes.com, 19 May 2025 Trials often are composed of careful building blocks. Anna Kaufman, USA Today, 17 May 2025 Cincinnati Breakdown: The Bearcats return two key building blocks with quarterback Brendan Sorsby and former All-American defensive lineman Dontay Corleone. Steven Johnson, Fort Worth Star-Telegram, 16 May 2025 See All Example Sentences for building block

Word History

First Known Use

1756, in the meaning defined above

Time Traveler
The first known use of building block was in 1756

Cite this Entry

“Building block.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/building%20block. Accessed 25 May. 2025.

Kids Definition

building block

noun
: a unit of construction or composition
Last Updated: - Updated example sentences
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