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.
These foods deliver adequate amounts of all nine of the essential amino acids – or protein building blocks – that our bodies need but can't make on their own, Blechman said. Perri Ormont Blumberg Fox News, Fox News, 21 Mar. 2025 From there, the peptides may break down further into building blocks, such as keratin, that help form skin, nails, and hair. Heather Jones, Verywell Health, 19 Mar. 2025 The building blocks of life on Earth may have been fueled by tiny sparks hopping between water droplets. Kiona N. Smith, Space.com, 19 Mar. 2025 It's also been the building block for the Waterloo Arts District that now houses various art studios, record stores and restaurants. Troy Smith, Axios, 19 Mar. 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 Mar. 2025.

Kids Definition

building block

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