digit

"Digit" has two main meanings in English — one is about numbers, and the other is about your body. Both are very common and useful to know.

1nouna single number character

A digit is any one of the basic number symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9. Think of it as the 'building blocks' of all numbers. The number 347, for example, has three digits.

mathematics, everyday language · Modern, widely used

Your PIN code is usually a four-digit number.

Please enter the last four digits of your phone number.

The number 52 is a two-digit number.

2nouna finger or toe

In biology and medicine, a digit is a finger or a toe. Humans have ten digits on their hands and ten on their feet. You will mostly see this meaning in medical or scientific contexts.

medicine, biology · Formal, also used in scientific texts

The doctor examined the injured digit carefully.

Some animals have fewer digits than humans.

She wore a ring on the third digit of her left hand.