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

That left Stephen Kornfeld, MD, an American tourist and oncologist vacationing aboard the cruise ship, in the position of de facto medical officer following a hantavirus outbreak on the ship. —Alice Politi, Vanity Fair, 12 May 2026

Youth Use and Poisoning Risks Raise Concern Nicotine pouch use may increase the likelihood of transitioning to other tobacco products, said Jennifer Cofer, DrPH, executive director of the EndTobacco program at the MD Anderson Cancer Center in Houston. —Fran Kritz, Verywell Health, 12 May 2026

But the body also needs a steady level of calcium in the blood, explained Matthew Drake, MD, PhD, chief of endocrinology and metabolic bone disease at the Hospital for Special Surgery in New York. —Jamie Ducharme, Health, 12 May 2026

Endocrinologist Caroline Messer, MD, attributes the surge in awareness to the prevalence of GLP-1s. —Alice Gregory, Vogue, 11 May 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