noun, plural ra·tios.
Origin of ratio
ultima ratio regum
Related Words for ratiorate, scale, proportion, quota, correspondence, relationship, equation, arrangement, fraction, correlation, quotient, proportionality
Examples from the Web for ratio
Contemporary Examples of ratio
During an emergency that ratio could be allowed to drop to 8.5 people per orbit.
However, the Air Force is so strapped for people that the ratio has dropped below even that reduced level.
From that, they extracted the ratio of the number of deuterium atoms to the number of hydrogen atoms.Are Comets the Origin of Earth’s Oceans?
Matthew R. Francis
December 14, 2014
Two years ago, Asian American voters voted for Obama over Romney by a ratio of more than 3-to-1.Asian Americans Are The Country’s Fastest Growing Swing Vote
November 9, 2014
The beauty of the project comes from the ratio of professional artists, recreational artists, and just creative people.Blurred Lines at NY Sketchbook Museum
November 1, 2014
Historical Examples of ratio
This ratio is phenomenally large, and should not be taken as a guide by amateurs.
But few of us understand just what the ratio of increase is, or how it is caused.
Just what the ratio of the curve should be is a matter of contention.
Take any ratio of percentage you please and something should have got us.The Rock of Chickamauga
Joseph A. Altsheler
Business will increase largely, and the ratio of expenses will decrease.The Railroad Question
noun plural -tios
Word Origin for ratio
1630s, "reason, rationale," from Latin ratio "reckoning, numbering, calculation; business affair, procedure," also "reason, reasoning, judgment, understanding," from rat-, past participle stem of reri "to reckon, calculate," also "think" (see reason (n.)). Mathematical sense "relationship between two numbers" is attested from 1650s.
n. pl. ra•tios
An expression of the relative size of two numbers by showing one divided by the other.