1. Abbr. M. or min. A unit of fluid measure, as:
a. In the United States, 1/60 of a fluid dram (0.0616 milliliter).
b. In Great Britain, 1/20 of a scruple (0.0592 milliliter).
2. Music A half note.
3. An insignificantly small portion or thing.
4. A downward vertical stroke in handwriting.
[Middle English, half note, from Medieval Latin minimus, least, from Latin; see mei-2 in the Appendix of Indo-European roots.]
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