mi

1 of 3

noun

: the third note of the major scale in solfège

mi

2 of 3

abbreviation (1)

1
mile; miles
2
mill

MI

3 of 3

abbreviation (2)

1
Michigan
2
military intelligence
3
myocardial infarction

Examples of mi in a Sentence

Noun do, re, mi, fa, sol, la, ti
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Prior to the Supreme Court ruling, which overturned a previous court decision, there were fears the cost of redress could rival that of a payment protection insurance mis-selling scandal, which cost lenders over 40 billion pounds between 2011 and 2019. William James, Reuters, 4 Aug. 2025 In the high-emission scenario, 2080s Madrid will have the current climate of Pedro Abad, a place just 275 km (171 mi) south of the Spanish capital. Big Think, 4 Aug. 2025 The source of the danger is a 1,000 km (620 mi.) formation known as the Tintina fault that cuts northwest across the Yukon and terminates in Alaska. Jeffrey Kluger, Time, 29 July 2025 Fallout patterns then prompted adding an area of 80 square mi (207 sq km)—about the size of Seattle—to the zone. Kate Graham-Shaw, Scientific American, 9 Oct. 2024 See All Example Sentences for mi

Word History

Etymology

Noun

Medieval Latin, from the syllable sung to this note in a medieval hymn to St. John the Baptist

First Known Use

Noun

15th century, in the meaning defined above

Time Traveler
The first known use of mi was in the 15th century

Browse Nearby Words

Cite this Entry

“Mi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mi. Accessed 6 Sep. 2025.

Kids Definition

mi

noun
: the third note of the musical scale

Medical Definition

MI

abbreviation
1
mitral incompetence; mitral insufficiency
2
myocardial infarction

More from Merriam-Webster on mi

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!