Building Block Definition

A fundamental element, fact, idea, etc. upon which something is built, developed, maintained, etc.
Webster's New World
A block used as a building material, especially a cinder block.
American Heritage
A small wooden or plastic cube used as a building toy.
American Heritage
A basic element or part of something.
Amino acids are the building blocks of proteins.
American Heritage

Other Word Forms of Building Block


building block

Find Similar Words

Find similar words to building block using the buttons below.

Words Starting With

Words Ending With


building block