significant digit

1. 1.

   any digit of a number that is known with certainty; any digit of a number beginning with the leftmost non-zero digit and ending with the rightmost non-zero digit (or a zero considered to be the exact value)

   “he calculated the answer to four significant figures”

   Synonymssignificant figure

   Broaderdigit

Questions about significant digit

What does significant digit mean?

significant digit means "any digit of a number that is known with certainty; any digit of a number beginning with the leftmost non-zero digit and ending with the rightmost non-zero digit (or a zero considered to be the exact value)".

What is another word for significant digit?

Close synonyms include significant figure. 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 significant digit a common word?

significant digit 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.