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

Keep in mind that these responses are usually experienced by men and women, Bert Mandelbaum, MD, sports medicine specialist at the Regenerative Orthobiologic Center at Cedars-Sinai Orthopaedics in Los Angeles, tells SELF. —Korin Miller, SELF, 22 Sep. 2025

Today, with faster access to stents, patients often have less heart muscle damage, said Souheil Saba, MD, a cardiologist at Henry Ford Health in Michigan. —Stephanie Brown, Verywell Health, 22 Sep. 2025

Other fruit juices, including apple and citrus ones like orange, may also affect how your body absorbs and processes certain blood pressure medications, said David Maron, MD, a cardiologist with the Preventive Cardiology Clinic at Stanford Medicine. —Julia Ries Wexler, Health, 18 Sep. 2025

For decades, the CDC also has worked with the American Academy of Pediatrics (AAP) to set a standard vaccine schedule for children, says Amanda Furr, MD, a pediatrician and chief medical officer at Zarminali Pediatrics. —Sherri Gordon, Parents, 18 Sep. 2025

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