mm

See also: Appendix:Variations of "mm"

㎜ U+339C, ㎜ SQUARE MM ← ㎛ [U+339B] CJK Compatibility ㎝ → [U+339D]

Translingual

Alternative forms

• (roman numeral): MM, MDD, mdd

Symbol

mm

2. (metrology) Symbol for millimetre (millimeter), an SI unit of length equal to 10⁻³ metres (meters).
   • 2015 December 3, “Positron Emission Tomography and Magnetic Resonance Imaging of the Brain in Fabry Disease: A Nationwide, Long-Time, Prospective Follow-Up”, in PLOS ONE‎ (in English), →DOI:

     PET images of the FDG distribution were reconstructed using a 4.0 mm Hanning filter transaxially and an 8.5 mm Ramp filter axially.

English

Pronunciation

• Audio (US):

  (file)

Noun

mm

1. Abbreviation of month, in two-digit numeric format, as in: dd/mm/yyyy.

Interjection

mm

1. Alternative form of mmm.

See also

• mm hmm