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

Both films were produced by Manoj Punjabi, founder of MD Pictures, Indonesia’s largest film studio and the first listed on the Indonesia Stock Exchange. — Liz Shackleton, Deadline, 12 Nov. 2026

One hypothesis is that rapid improvements in blood sugar could contribute to swelling in the optic disc, Hersh Varma, MD, a neuro-ophthalmologist and associate professor with The Ohio State University Wexner Medical Center, told HEALTH. — Sherri Gordon, HEALTH, 11 Nov. 2026

One possible explanation involves changes in nervous system activity as the brain transitions into sleep, says Raj Dasgupta, MD, a pulmonary and sleep medicine specialist at Huntington Health in Pasadena, California. — Rob Williams, EverydayHealth.com, 11 Nov. 2026

Pumpkin Seeds Are Rich in Magnesium and Antioxidants Pumpkin seeds contain a lot of antioxidants that benefit your cardiovascular system, said Joyce Oen-Hsiao, MD, Yale Medicine cardiologist and associate professor at Yale School of Medicine. — Amber Raiken, Verywell Health, 10 Nov. 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