LEARNit Dictionary
significant figure
noun
/ˌsɪɡnɪfɪkənt ˈfɪɡə(r)/
UK
/ˌsɪɡnɪfɪkənt ˈfɪɡjər/
US
1
each of the digits in a number that are needed in order to give it accurately
رقم معنادار