MH

abbreviation

1. magnetic heading

2. maleic hydrazide

3. most honorable

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Marshall Islands (approved for postal use).

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mh. or mh (no period),

millihenry.

MH (no periods),

Medal of Honor.

M.H.,

1. Master of Humanities. efn>Master of Hygiene.

2. Medal of Honor.

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abbr. Medal of Honor