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.
Researchers observe crucial step in planet formation Data from both ALMA and Webb allowed the researchers to trace how dust grains move and are distributed within the disc in a process scientists believe is the building block for planetary formation. Eric Lagatta, USA TODAY, 12 Feb. 2025 Nutrients to provide the building blocks, and lower carbs to help stabilize your blood sugar and even out the roller coaster of spikes and drops that create so many cognition-impairing side effects, including lightheadedness, anxiety, fatigue, irritability and a decrease in focus. Heather Sandison, Contributor, CNBC, 11 Feb. 2025 Twenty years ago, under Prime Minister Ariel Sharon, Israel withdrew its settlements from the Strip, which was to be the first building block of Palestinian statehood. Ahmed Fouad Alkhatib, The Atlantic, 6 Feb. 2025 Larger building blocks would also make the supercontinents more rigid, keeping them separate from mantle convection, or movement of materials in that layer due to heat transfer. Mindy Weisberger, CNN, 31 Jan. 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

Dictionary Entries Near building block

Cite this Entry

“Building block.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/building%20block. Accessed 21 Feb. 2025.

Kids Definition

building block

noun
: a unit of construction or composition
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!