decimal

1. ADJ A decimal system involves counting in units of ten. 十进制的[ADJ n]

The mathematics of ancient Egypt were based on a decimal system. 古埃及数学以十进制为基础。

2. N-COUNT A decimal is a fraction that is written in the form of a dot followed by one or more numbers which represent tenths, hundredths, and so on: for example, .5, .51, .517. 小数

...simple maths concepts, such as decimals and fractions. …简单的数学概念，如小数和分数。