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  • mi
    mi
    noun
    the syllable used for the third tone of a diatonic scale.
  • MI
    MI
    abbreviation
    Michigan (approved especially for use with zip code).
  • mi.
    mi.
    abbreviation
    mile; miles. Also mi
  • M.I.
    M.I.
    abbreviation
    Military Intelligence.
Synonyms

mi

1 American  
[mee] / mi /

noun

Music.

  1. the syllable used for the third tone of a diatonic scale.

  2. (in the fixed system of solmization) the tone E.

MI 2 American  

abbreviation

  1. Michigan (approved especially for use with zip code).

  2. minimally invasive; minimal invasive.

  3. myocardial infarction.

mi. 3 American  

abbreviation

  1. mile; miles. Also mi

  2. mill; mills.

M.I. 4 American  

abbreviation

  1. Military Intelligence.

  2. Mounted Infantry.

mi. 1 British  

abbreviation

  1. mile

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
mi 2 British  
/ miː /

noun

  1. music (in tonic sol-fa) the third degree of any major scale; mediant

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
MI 3 British  

abbreviation

  1. Michigan

  2. Military Intelligence

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
mi Scientific  

  1. Abbreviation of mile

Etymology

Origin of mi

First recorded in 1520–30; see origin at gamut

Vocabulary lists containing mi

Scrabble: Two-Letter Words

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Forty-six of them contained the word family or mi familia.

From Slate • Dec. 26, 2025

He reportedly referred to Peru, where around three quarters of people are Catholic, as "mi segunda patria" – my second homeland.

From BBC • May 9, 2025

In your book, I love the "architecture of the banh mi" section, as well as some of the other super-detailed step-by-step visual breakdown pages.

From Salon • Oct. 28, 2024

I will remember mi Tío Santos as the life of all the family parties, the Arellano who loved to belt rancheras alongside mariachis or karaoke tracks.

From Los Angeles Times • Sep. 26, 2024

“This is for you, too, mi corazon. I want you to go to the big school. They must let you, you see? None of this...”

From "Out of Darkness" by Ashley Hope Pérez

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.