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WordNet (r) 3.0 (2006) (WordNet)

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