rational number
noun
,
Mathematics
1.
a number that can be expressed exactly by a ratio of two integers.
Origin
1900-05
British Dictionary definitions for
rational numbers
rational number
noun
1.
any real number of the form
a
/
b
, where
a
and
b
are integers and
b
is not zero, as 7 or 7/3
rational numbers
in Science
rational number
A number that can be expressed as an integer or a quotient of integers. For example, 2, -5, and
1
/
2
are rational numbers.