Mathematics, Sciences A position in a sequence of numerals representing a place value in a positional number system.
The base-10 number 123.4 has four digits: the hundreds digit is 1, the tens digit is 2, the units digit is 3, and the tenths digit is 4.
This meter is a 3½ digit digital multimeter that is rugged, reliable and convenient to use, while providing all of the accuracy and features needed for any application.2017 October 23, “DIGITAL MULTIMETER M-1000E”, in Elenco, page 4:
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Mathematics, Sciences A distinct symbol representing a natural number in a positional number system.
Hexadecimal numeration (Base sixteen) includes the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 but also A (=10 decimal), B, C, D, E, and F. Sixteen itself is written as the two-digit number 10.
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Astronomy, Natural sciences, Units of measure ¹⁄₁₂ the apparent diameter of the sun or moon, (chiefly) as a measure of the totality of an eclipse.
A six-digit eclipse covers half the lunar surface.
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Units of measureHistorical A unit of length notionally based upon the width of an adult human finger, standardized differently in various places and times, (especially) the English digit of ¹⁄₁₆ foot, now equivalent to about 1.9 cm.
Anatomy, Medicine, Sciences A narrow extremity of the human hand or foot: a finger, thumb, or toe.
Jai grabbed Andrew’s shoulders with the same three digits he had used to grab the ancient doubter’s skull and spun him around.2018, Shiv Kotecha, The Switch, United States: Wonder, →ISBN, page 144:
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Biology, Natural sciences, Zoology Similar or similar-looking structures in other animals.
The ruminants have the cloven foot, i.e. two hoofed digits on each foot.1866, Richard Owen, Anatomy of Vertebrates: