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

Childbirth recovery and postpartum injury recovery Postpartum massage can help your body recover from the strain and stress of childbirth, says Christine Greves, MD, OB-GYN and fellow of the American College of Obstetrics and Gynecology (ACOG). —​wendy Wisner, Parents, 27 Feb. 2026

Researchers at the University of Texas MD Anderson Cancer Center, for example, analyzed data from more than 1,000 patients to show a link between receiving a Covid mRNA vaccine and cancer survival. —Amanda Erickson, STAT, 27 Feb. 2026

Stewart and dermatologist Dhaval Bhanusali, MD, spent a whopping five years developing it. —Tamim Alnuweiri, InStyle, 27 Feb. 2026

Gently rotating the neck from side to side several times throughout the day can help, Pamela Mehta, MD, an orthopedic surgeon and founder of Resilience Orthopedics, told Health. —Stephanie Anderson Witmer, Health, 26 Feb. 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