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 Griffin and Decker also note the wider career paths available to MD graduates. —Aman Kidwai, MSNBC Newsweek, 13 Oct. 2025

Our chief medical officer, Sohaib Imtiaz, MD, explains the best ways to get your vitamin D without risking unnecessary skin damage from sun exposure. —Claire Bugos, Verywell Health, 8 Oct. 2025

Chronic stress can keep cortisol elevated, potentially contributing to burnout symptoms, said Arti Thangudu, MD, an endocrinologist at Complete Medicine in San Antonio. —Jani Hall, Health, 8 Oct. 2025

Importantly, Sarah Oreck, MD, MS, and co-founder of Mavida Health, wants pregnant people to know their disappointment is completely valid. —Melissa Willets, Parents, 7 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