digit
numeral symbol such as 0–9
One number sign, like 0, 1, 2, 3, 4, 5, 6, 7, 8 or 9, that is used to write a number.
a [number] with [number] digits
- Please enter the last four digits of your phone number.
- The lock opens with a six-digit code.
- Her PIN must be four digits long.
- That account number has ten digits in total.
- Write down every digit of the serial number carefully.
- My PIN is four digits.
- Your phone number has ten digits.
- Type the six digits on the screen.
- A mobile code is often six digits.
- We must enter all the digits to log in.
numerical place within a number
One place in a written number where a single numeral goes, like the units place, tens place, or the first place after the decimal point.
the [first/last] digit of [a number]
- The last digit of this number is 7.
- Round the number to one digit after the decimal point.
- In 345, the digit in the tens place is 4.
- The first digit of her student ID is always a 2.
- If the rightmost digit is 5 or more, you round up.
- Look at the first digit of the number.
- The digit after the point is 3.
- In 29, the digit in the tens place is 2.
- Circle the digit in the units place.
- Write a zero in the last digit place.
finger or toe in anatomy
A technical word in science for a finger or a toe, or a similar part on an animal’s foot.
a [number]-digit [hand/foot]
- Most humans have five digits on each hand.
- The X-ray showed that one digit was broken.
- Some animals have evolved to lose certain digits over time.
- The fetus already has small, clearly formed digits.
- Polydactyly is a condition where extra digits develop on the hands or feet.
- Humans usually have ten digits in total.
- The doctor checked each digit on my hand.
- The animal has long digits on its front legs.
- One digit on his foot did not grow well.
- The X-ray shows a problem with this digit.
old unit of length
An old way to measure length, about as wide as a finger (around 2 centimeters).
- The old text says the wall was ten digits thick.
- In some ancient systems, a cubit was divided into twenty-four digits.
- The craftsman marked out a length of wood several digits long.
- In old books, a digit is a small unit of length.
- They measured the stone as eight digits wide.
- The digit is based on the width of a finger.
- Base: digit
- Plural: digits
double-digit
1number with two digits
A number that has two digits, from 10 to 99; often used to talk about numbers like prices, ages, or percentages.
- The company reported double-digit growth last year.
- Her son is excited to turn double digits on his next birthday.
- Unemployment remains in the double-digit range.
last four digits
1final four numerals of a number
The last four numerals at the end of a longer number, such as a phone number, card number, or ID number.
- They asked for the last four digits of my credit card.
- Type in the last four digits of your phone number to confirm your identity.
- For security, we only show the last four digits of your account.
significant digits
1digits expressing measurement precision
The digits in a number that show how exact a measurement is, not counting extra zeros that do not change the accuracy.
- Round your answer to three significant digits.
- The data were reported with too many significant digits for the actual precision.
- In the value 0.004560, there are four significant digits.
single-digit
1number with only one digit
A number that has only one digit, from 0 to 9; sometimes also used more loosely to mean a value less than 10.
- Inflation has finally fallen to single-digit levels.
- The child can add and subtract single-digit numbers.
- Temperatures stayed in the single-digit range overnight.
three-digit
1number with three digits
A number that has three digits, like 100–999; often used to describe prices, codes, or statistics.
- You need to enter the three-digit security code on the back of your card.
- The town has only a three-digit population.
- The model is identified by a three-digit number on the label.
binary digit
1single 0 or 1 in binary
One place in a binary number, which can be 0 or 1.
- Each binary digit in this sequence represents part of the image.
- Each binary digit can store a value of either 0 or 1.
- A byte is made of eight binary digits.
- A byte is made up of eight binary digits.
- The error was caused by a single wrong binary digit.
- The processor handles billions of binary digits every second.