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

In the late 19th century, psychologists William James, MD, and Wilhelm Wundt, MD, staked out opposing theories of action awareness. — Peter Jurich, Hartford Courant, 18 July 2026

Internal medicine physician Manjaree Daw, MD, told Cleveland Clinic that lemon balm can be a gentler option than prescription sleep aids. — Lauren Jarvis-Gibson july 17, Miami Herald, 17 July 2026

Internal medicine physician Manjaree Daw, MD, told Cleveland Clinic that lemon balm may help with mild sleep issues. — Lauren Jarvis-Gibson july 17, Fort Worth Star-Telegram, 17 July 2026

These are some of the questions Jamie Rosen, a 40-something brand consultant in New York City, remembers being asked by her hematologist Rachel Kramer, MD, during her first visit. — Fiorella Valdesolo, Allure, 15 July 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