ratio

noun

ra·​tio ˈrā-shē-ˌō How to pronounce ratio (audio)
-(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 He’s produced a TD-to-interception ratio of 46-to-1 his last two seasons. Eddie Brown, San Diego Union-Tribune, 20 Apr. 2024 Additionally, the respective conversion prices or ratios, as applicable, of the preferred stock of the Company will be adjusted in accordance with the respective terms of the Certificate of Designation for each class of preferred stock. Charlotte Observer, 19 Apr. 2024 By analyzing the size ratios of various parts of the vertebrae and the fossils unique shapes and protrusions, Bajpai and his co-researcher established the remains were that of a new species in the extinct family of Madtsoiidae, which were primitive snakes similar to boas and pythons. Lauren Leffer, Popular Science, 18 Apr. 2024 If investors approve the measure, the company will determine the ratio of its reverse stock split. Vinamrata Chaturvedi, Quartz, 16 Apr. 2024 Start with a shot of soju (2 oz.) in a 5-oz. glass and top with beer, then adjust the ratio based on your preference. Irene Yoo, Bon Appétit, 16 Apr. 2024 The additional financial burden is seen pushing up the public debt-to-GDP ratio to 66.9% in 2025 and the fiscal deficit to 4.42% of GDP in the new fiscal year starting Oct. 1. Thomas Kutty Abraham / Bloomberg, TIME, 11 Apr. 2024 The Hogs continue to lead the country in team ERA (2.59) by a substantial margin over second-place Texas A&M (3.21), strikeout-to-walk ratio (4.34), strikeouts per 9 innings (13.2) and WHIP (1.02). ... Bob Holt, arkansasonline.com, 4 Apr. 2024 The price-to-value ratio of the product versus similar products on the marketplace. Amber Smith, Discover Magazine, 3 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ratio.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Latin, computation, reason — more at reason entry 1

First Known Use

1660, in the meaning defined at sense 1a

Time Traveler
The first known use of ratio was in 1660

Dictionary Entries Near ratio

Cite this Entry

“Ratio.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ratio. Accessed 24 Apr. 2024.

Kids Definition

ratio

noun
ra·​tio ˈrā-shō How to pronounce ratio (audio)
-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
plural ratios
: the relationship in quantity, amount, or size between two or more things see sex ratio

More from Merriam-Webster on ratio

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!