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.
Services-as-software are being redesigned as modular, reusable AI building blocks that scale effectively across functions. Gaurav Aggarwal, Forbes.com, 24 June 2025 This is a key step in making the building blocks for nylon. Amreen Bains, The Conversation, 19 June 2025 The culprit, the paper suggests, is the teeny tiny plant-like creatures that form the building blocks of the marine food web — phytoplankton. Alex Harris, Miami Herald, 19 June 2025 These early Prime Day deals are a great opportunity to find discounts on Crayola markers, Mega Bloks building blocks, family games, and outdoor toys, starting at just $5. Laura Lu, Parents, 17 June 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 30 Jun. 2025.

Kids Definition

building block

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