decimal
adjective
uk/ˈdesɪməl/ usrelating to a system of counting based on the number ten:
Rises in adjusted prices are expressed to three decimal places, as in 0.246%
decimal
noun [ C ]
uk/ˈdesɪməl/ us(also specialized decimal fraction)a number shown using the system that is based on the number 10:
The score is written as a decimal, such as 1.5.