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 Are the ‘MD Foodie Boyz’ The MD Foodie Boyz are a group of four friends from Maryland who have garnered some online fame from their food-centric podcast. —Stephanie Ganz, Parents, 3 Nov. 2025

On the sales side, MD Tim Gerhartz left over the summer to rejoin ZDF. —Jesse Whittock, Deadline, 31 Oct. 2025

Roughly a fifth of medical schools offering an MD degree have accelerated programs, including the University of California-Davis, according to the Consortium of Accelerated Medical Pathway Programs. —Kff Health News, Oc Register, 29 Oct. 2025

How Zurzuvae works to help combat postpartum depression Zurzuvae enhances the effect of gamma-aminobutyric acid (GABA), a neurotransmitter that sends signals in the brain to calm nerve activity, Kelly Johnson-Arbor, MD, a toxicologist at MedStar Health, tells SELF. —Korin Miller, SELF, 28 Oct. 2025

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