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

Who’s supervising the treatment, an MD or NP, or only a wellness coach? — Allison Palmer updated June 24, Charlotte Observer, 24 June 2026

An adult action series, the webtoon Passion and ADN are adapting has scored 80 million views worldwide, said Passion Paris MD Caroline Audebert. — John Hopewell, Variety, 23 June 2026

Think Lancôme’s Absolue Longevity MD. — Kathryn Hopkins, Footwear News, 23 June 2026

It was also done in close collaboration with Sara Wickström, MD, PhD, director of the Max Planck Institute for Molecular Biomedicine. — Peter Jurich, Hartford Courant, 22 June 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