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

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



Seen and Heard

What made you want to look up building block? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

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

WORD OF THE DAY

to relieve or lessen

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time-traveler-quiz-which-word-came-first
  • Which came first?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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