figure space
typographical space equal to the tabular width of a font; in fonts with fixed-width digits, equals the size of those digits
en-GB/ˈfɪɡə ˈspeɪs/
en-US/ˈfɪɡjɚ ˈspeɪs/
typographical space equal to the tabular width of a font; in fonts with fixed-width digits, equals the size of those digits