|—n , pl -tios|
|1.||a measure of the relative size of two classes expressible as a proportion: the ratio of boys to girls is 2 to 1|
|2.||maths See also proportion a quotient of two numbers or quantities|
|[C17: from Latin: a reckoning, from rērī to think; see |
ratio ra·tio (rā'shō, rā'shē-ō')
n. pl. ra·tios
Relation in degree or number between two similar things.
The relation between two quantities expressed as the quotient of one divided by the other.
|ratio (rā'shō, rā'shē-ō') Pronunciation Key
A relationship between two quantities, normally expressed as the quotient of one divided by the other. For example, if a box contains six red marbles and four blue marbles, the ratio of red marbles to blue marbles is 6 to 4, also written 6:4. A ratio can also be expressed as a decimal or percentage.
An expression of the relative size of two numbers by showing one divided by the other.