Definitions

1. noun

a number or amount expressed in base 10, especially a fraction or a number less than 1, expressed as a digit or digits after a decimal point

“The decimal representation of the fraction 1/2 is 0.5.”

2. adjective

relating to or using a system of numbers in which 10 is the base

“The decimal system is widely used in mathematics and finance.”

3. verb

to express or represent as a decimal number

“The calculator can decimal 100.5 to two decimal places.”