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

Nicola Coughlan joins Lancôme for an exclusive lunch celebrating Absolue Longevity MD at 40 Duke at Selfridges in London on June 28. — Brendan Le, PEOPLE, 29 June 2026

Austin Powell completed his MD degree from University of San Diego Medical School in May 2026. — News Release, San Diego Union-Tribune, 26 June 2026

Why Vitamin D Is Better for Immunity If your goal is immune support, vitamin D matters more, Kevin Gendreau, MD, an obesity and family medicine physician in Massachusetts, told Health. — Allison Forsyth, Health, 26 June 2026

After returning from the front rows of Miami Swim Week, The MD Effect founder Matt Dillon says this season's biggest shift is swimwear designed to move effortlessly from beach to bar. — Corein Carter, Forbes.com, 26 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