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

Energy drinks typically increase systolic blood pressure (the top number) by 5 to 15 mmHg and diastolic blood pressure by 5 to 10 mmHg within an hour of consumption, said Aaron Feingold, MD, a cardiologist at JFK University Medical Center. —Kathleen Ferraro, Verywell Health, 4 June 2025

Studios boss Jennifer Salke recently exited soon after international originals boss James Farrell and UK MD Chris Bird. —Max Goldbart, Deadline, 3 June 2025

Ghost poops could also be a sign of strong gut muscles that help ensure proper stool formation, complete evacuation, and strong and coordinated contractions, Mike Sevilla, MD, a family physician at Salem Family Care, told Health. —Sherri Gordon, Health, 2 June 2025

In a conversation with ESPN injury analyst Stephania Bell, renowned foot and ankle specialist and associate team physician for the Green Bay Packers, Bob Anderson, MD, shared that the feedback from athletes opting for PARS AMSS has been positive. —Bobby Krivitsky, Forbes.com, 2 June 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