Mhw

1.
mean high water.
mean high water

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M.H.W.
1. mean high water.
MHz
1. millihertz. 1. . symbol 1. megahertz MHz abbr. megahertz MHz Abbreviation of megahertz MegaHertz megahertz
Mi
[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. Compare (def 1). 1. Michigan (approved especially for use with zip code). 2. minimally invasive; minimal invasive. 3. myocardial infarction. 1. mile; miles. Also, mi. 2. mill; mills. 1. […]

M.I.
1. Military Intelligence. 2. Mounted Infantry.
MI5
[em-ahy-fahyv] /ˈɛmˌaɪˈfaɪv/ noun, (in Great Britain) 1. the government’s security and counterespionage service that works in liaison with Scotland Yard’s Special Branch. abbreviation 1. Military Intelligence, section five; a former official and present-day popular name for the counterintelligence agency of the British Government 1939, from abbreviation of Military Intelligence, followed by the department number.