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

To overcome this, the team designed MD-FSS to speed up how point spread function (PSF) measurements are made—the 3D image of a point-like object seen under a microscope. —Sujita Sinha, Interesting Engineering, 10 Nov. 2025

The study, published last month in Nature, originated from a curious observation made by Adam Grippin, a radiation oncologist at the University of Texas MD Anderson Cancer Center, while working on his PhD thesis at the University of Florida. —Lisa Jarvis, Twin Cities, 8 Nov. 2025

For students who graduated this year with an MD degree from a four-year medical school in the United States, the median cost of attendance was $318,825, according to Kristen Earle, director of student financial services at the Association of American Medical Colleges. —Tribune News Service, Oc Register, 8 Nov. 2025

These findings could have a major real-world impact, says the senior author, Mitch Biermann, MD, PhD, an obesity medicine and internal medicine doctor at Scripps Clinic Carmel Valley in California. —Emily Kay Votruba, EverydayHealth.com, 7 Nov. 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