Wordnet 3.0
NOUN (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);
- Example: "he calculated the answer to four significant figures"[syn: significant digit, significant figure]
WordNet (r) 3.0 (2006):
significant figure
n 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" [syn: significant
digit, significant figure]