mis Meaning, Definition & Usage

1. noun destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle
   myocardial infarction; MI; myocardial infarct.
   
2. noun a former British unit of length equivalent to 6,080 feet (1,853.184 meters); 800 feet longer than a statute mile
   naut mi; geographical mile; mi; Admiralty mile; mile; nautical mile.
   
3. noun a unit of length used in navigation; exactly 1,852 meters; historically based on the distance spanned by one minute of arc in latitude
   naut mi; mi; mile; nautical mile; international nautical mile; knot; air mile.
   
4. noun a unit of length equal to 1,760 yards or 5,280 feet; exactly 1609.344 meters
   mi; stat mi; statute mile; mile; land mile; international mile.
   
5. noun a midwestern state in north central United States in the Great Lakes region
   Great Lakes State; Michigan; Wolverine State; MI.
   
6. noun the government agency in the United Kingdom that is responsible for internal security and counterintelligence on British territory
   Security Service; MI; Military Intelligence Section 5.
   
7. noun the government agency in the United Kingdom that is responsible for internal security and counterintelligence overseas
   Secret Intelligence Service; MI; Military Intelligence Section 6.
   
8. noun the syllable naming the third (mediant) note of any major scale in solmization
   mi.
   

WordNet