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

Pulido then sought help from Cristina Ferrone, MD — chair of the Jim and Eleanor Randall Department of Surgery at Cedars-Sinai — who assembled an experienced team, who managed to remove the tumor after a 14-hour, complicated operation. —Becca Longmire, People.com, 9 July 2025

How to Know if Ticks Are Bad in Your Area Ticks tend to prefer grassy or wooded areas, says Alex Koo, MD, an emergency physician at MedStar Health in Baltimore. —Rob Williams, EverydayHealth.com, 9 July 2025

Universal Pictures International’s EVP and Manager Director Niels Swinkels will now add President, International Distribution, Focus Features, to his current role as EVP & MD, Universal Pictures International. —Anthony D'alessandro, Deadline, 8 July 2025

Dogs may bark for variety of reasons, according to Pet MD. —Maria Azzurra Volpe, MSNBC Newsweek, 8 July 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