Letter m

Mm

10 views

Abbreviation for millimeters.

For example, mm Hg means millimeters of mercury, the height of a column of mercury, as in a blood pressure reading.

(In upper-case letters, MM stands for meningomyelocele, malignant melanoma, and multiple myeloma.)

Share this definition

Medical disclaimer

The information on this page is for educational and informational purposes only and does not constitute medical advice in any way.

  • It does not replace the advice of a physician, pharmacist or other healthcare professional.
  • It does not represent a prescription of drugs, diagnostic exams or therapies.
  • In case of symptoms, doubts or concerns about your health, always consult a qualified physician.

In case of emergency call 911 (US) or 112 (EU).