Md

1 of 4

abbreviation (1)

Maryland

Md

2 of 4

symbol

mendelevium

MD

3 of 4

abbreviation or noun

ˌem-ˈdē 

variants or M.D.

plural MDs or M.D.s

: doctor of medicine

John Smith, MD

She earned an M.D. from Harvard Medical School.

Members pay what they would for a standard, managed-care plan, and they get the same access to MDs and hospitals.

—Geoffrey Cowley et al.

MD

4 of 4

abbreviation (2)

1

[Italian mano destra] right hand

2

Maryland

3

medical department

4

minidisc

5

months after date

6

muscular dystrophy

Examples of Md in a Sentence

Recent Examples on the Web

Abbreviation or noun

But lower-body movements may increase circulation even more, added Andrew Carbone, MD, an orthopedic surgeon and sports medicine specialist at Orlando Health. —Allison Forsyth, Health, 17 Feb. 2026

The bathroom, featuring Perricone MD toiletries, is just as stylish with bronze taps and brown leather dressing tables. —Ann Lee, TheWeek, 16 Feb. 2026

For the Children's Hospitals Art Contest, the rodeo's school art committee hosts contests at the Texas Children's Hospital and the University of Texas MD Anderson Children's Cancer Hospital. —Claire Partain, Houston Chronicle, 13 Feb. 2026

But according to the chemical analyses, there is potential for carcinogenic and other toxic effects, says Sandy Tsao, MD, a dermatologist at Mass General Hospital in Boston, who was not involved in the research. —Emily Kay Votruba, EverydayHealth.com, 12 Feb. 2026

Word History

Etymology

Abbreviation or noun

borrowed from Medieval Latin, abbreviation of medicīnae doctor

First Known Use

Abbreviation Or Noun

15th century, in the meaning defined above

Medical Definition

Md

1 of 3 symbol

mendelevium

MD

2 of 3 abbreviation or noun

variants or M.D.

ˌem-ˈdē 

: doctor of medicine

MD

3 of 3 abbreviation

1

medical department

2

muscular dystrophy

Etymology

Abbreviation or noun

Latin medicinae doctor