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

After graduating from the University of Pennsylvania, Lin went on to join Bindra’s laboratory as an MD-PhD student at YSM. —Isabella Backman, Hartford Courant, 27 Jan. 2026

During a joint press conference on January 26, 2026, between the AAP, AMA, and ACOG, AAP president Andrew Racine, MD, explained the rationale for the organization's 2026 vaccine schedule. —​wendy Wisner, Parents, 26 Jan. 2026

Baltimore winter storm preparations In Baltimore, the Department of Transportation is pretreating city gateways, bridges, hills, and overpasses, as well as on and off ramps to I-83 and MD 295, starting on Friday. —Adam Thompson, CBS News, 23 Jan. 2026

Earlier this week, it was reported by SPORT and MD how Barca has decided on Julian Alvarez as the successor to aging striker Robert Lewandowski, whose contract expires on June 30. —Tom Sanderson, Forbes.com, 23 Jan. 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