ratio
noun
ra·tio
ˈrā-shē-ˌō 
-(ˌ)shō
plural ratios
1
a
: the indicated quotient of two mathematical expressions
b
: 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 on the Web
Nigeria lags even the continent's already low tax-to-GDP ratios.
—
Newsweek Staff, MSNBC Newsweek, 3 June 2025
Although both companies maintain a similar cash position (4% of total assets), Eli Lilly's lower debt-to-equity ratio signals a healthier financial standing.
—Trefis Team, Forbes.com, 3 June 2025
His strikeout-to-walk ratio is the team’s third-best over the past 25 years, behind only Phil Hughes and Ryan.
—Dan Hayes, New York Times, 2 June 2025
Horsepower numbers get eyeballs, but power-to-weight ratio is the real metric that engineers keep an eye on, along with weight distribution.
—Erik Shilling, Robb Report, 29 May 2025
See All Example Sentences for ratio
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Newsweek Staff, MSNBC Newsweek, 3 June 2025
Although both companies maintain a similar cash position (4% of total assets), Eli Lilly's lower debt-to-equity ratio signals a healthier financial standing.
—Trefis Team, Forbes.com, 3 June 2025
His strikeout-to-walk ratio is the team’s third-best over the past 25 years, behind only Phil Hughes and Ryan.
—Dan Hayes, New York Times, 2 June 2025
Horsepower numbers get eyeballs, but power-to-weight ratio is the real metric that engineers keep an eye on, along with weight distribution.
—Erik Shilling, Robb Report, 29 May 2025
See All Example Sentences for ratio
Cite this Entry
“Ratio.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ratio. Accessed 6 Jun. 2025.
Copy CitationKids Definition
ratio
noun
ra·tio
ˈrā-shō
-shē-ˌō
plural ratios
1
: the quotient of two numbers or mathematical expressions
the ratio of 6 to 3 may be expressed as 6:3, ⁶⁄₃, and 2
2
: the relationship in quantity, amount, or size between two or more things
women outnumbered men in the ratio of three to one
Medical Definition
ratio
noun
ra·tio
ˈrā-(ˌ)shō, -shē-ˌō
plural ratios
: the relationship in quantity, amount, or size between two or more things see sex ratio
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