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

Meet the expert Christine Hall, MD, an aesthetic doctor and K-beauty expert, specializing in skin health, regenerative treatments and advanced cosmetic procedures. — Lucy Partington, Glamour, 7 Oct. 2026

That’s a concern echoed by Joshua Zeichner, MD, director of cosmetic and clinical research at Mount Sinai Hospital in New York City, who points out that many posts are geared towards shock value and not medically sound advice. — Korin Miller, Allure, 7 Oct. 2026

The store's owner, MD Hasan, said cleanup will take about a week and cost about $40,000. — Abby Dodge, CBS News, 7 Oct. 2026

Still, there’s a plausible explanation for the connection, said Elizabeth Landsverk, MD, a geriatrician with expertise in dementia. — Currie Engel, HEALTH, 6 Oct. 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