irrational number; infinite non-repeating decimal
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
irrational number; real number that cannot be expressed as a ratio of integers
In mathematics, refers to real numbers such as π (pi) and √2 (square root of 2) that cannot be represented as a simple fraction p/q where p and q are integers. Their decimal expansions continue infinitely without repeating.
Yuán圆
zhōu周
lǜ率
shì是
yī一
gè个
wú无
lǐ理
shù数
。
Pi is an irrational number.
Gēn根
hào号
èr二
shì是
wú无
lǐ理
shù数
，
bù不
néng能
biǎo表
shì示
wéi为
liǎng两
gè个
zhěng整
shù数
de的
bǐ比
。
The square root of two is an irrational number and cannot be expressed as a ratio of two integers.
Show 1 more exampleShow fewer examples
Wú无
lǐ理
shù数
yǔ与
yǒu有
lǐ理
shù数
yī一
qǐ起
gòu构
chéng成
le了
shí实
shù数
jí集
hé合
。
Irrational numbers together with rational numbers constitute the set of real numbers.