building block

Questions about building block

What does building block mean?

building block means "a single undivided natural thing occurring in the composition of something else". That is the primary sense; the word has 2 in total, listed in full on this page.

What is another word for building block?

Close synonyms include unit. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is building block a common word?

building block is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.