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

There is not enough scientific evidence to recommend mouth tape as a treatment for snoring or sleep disorders, according to pediatric sleep medicine specialist Brian Chen, MD. — Samantha Agate, Charlotte Observer, 23 Oct. 2026

In 2024, Tony Hout joined the vaccine trial at MD Anderson after seeking care for a spot on his ear that had been bleeding intermittently and wouldn’t fully heal. — ABC News, 22 Oct. 2026

With women and health top of mind, Caruso also served on the board of the Rush MD Anderson Cancer Center Patient and Family Advisory Council as well as the Professional Women’s Club of Chicago. — Susan Degrane, Chicago Tribune, 22 Oct. 2026

The average pet dog lives 10 to 13 years, according to Pet MD. — Hanna Wickes, Fort Worth Star-Telegram, 16 Oct. 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