Definition of ratio
1a : the indicated quotient of two mathematical expressionsb : the relationship in quantity, amount, or size between two or more things : proportion
2 : the expression of the relative values of gold and silver as determined by a country's currency laws
Examples of ratio in a Sentence
What is the length-to-width ratio?
the ratio of students to teachers in the school is nine to one
Recent Examples of ratio from the Web
After all, our shelves are stocked with plenty of drugs whose use in pets is similarly unproven and whose risk-benefit ratios are far more suspect.
The ratio for S&P 500 members, adding up all their accounts, is a reasonable 1.5 times, slightly higher than a decade ago and lower than in Europe and Asia.
But when the applicants came from employee referrals, the hiring ratio improved to 1 in 16 — for the very best odds of landing a job.
Yates entered Tuesday with a 2.08 ERA and a 41-to-8 strikeout-to-walk ratio in 27 appearances for San Diego.
Although a 14-to-0 strikeout-to-walk ratio is concerning, the 17-year-old is tied for second in RBIs (five) and tied for first in doubles (three).
As part of the work, the team also evaluated whether a proxy for flying ability—the ratio of a bird’s wing length to its width—had an effect.
Recently research has shown that coyotes do play a role in the decrease of the doe/fawn ratio.
This allows applicants to qualify for a 97 percent loan-to-value ratio conventional mortgage — essentially zero from the buyers, 3 percent from Movement.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ratio.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
RATIO Defined for English Language Learners
Definition of ratio for English Language Learners
: the relationship that exists between the size, number, or amount of two things and that is often represented by two numbers
RATIO Defined for Kids
Definition of ratio for Students
: the relationship in number or quantity between two or more things the ratio of teachers to students
Seen and Heard
What made you want to look up ratio? Please tell us where you read or heard it (including the quote, if possible).