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

The most dangerous time to have hypoglycemia is overnight, so doctors often recommend a snack like peanut butter on whole wheat toast to maintain blood sugar levels, especially for younger populations, according to Shivani Pankaj Shah, MD, a pediatric endocrinologist at Loyola Medicine. —Caitlin Pagán, Verywell Health, 13 Aug. 2025

With the advent of newer antihistamines over the past two decades, Benadryl is no longer an over-the-counter go-to for regular allergy treatment, says Sarah Taylor-Black, MD, an allergist and a clinical immunologist at Dartmouth Hitchcock Medical Center in Hanover, New Hampshire. —Emily Kay Votruba, EverydayHealth.com, 13 Aug. 2025

Keynote speakers include Indiana State Health Commissioner Lindsay Weaver, MD, FACEP; Dunebrook Executive Director Tammy Gierke Button, DDS, MSD and Michigan City Mayor Angie Nelson Deuitch. —Post-Tribune, Chicago Tribune, 11 Aug. 2025

Lis Anderson is founder and director at PR consultancy AMBITIOUS, An experienced agency MD with 25 years in the communications industry. —Lis Anderson, Forbes.com, 8 Aug. 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