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

Dallas dermatologist Elizabeth Bahar Houshmand, MD, told New Beauty to sleep on your back on a fresh silk or satin pillowcase. — Samantha Agate, Fort Worth Star-Telegram, 17 Aug. 2026

Still, the findings are helpful to be aware of, said Alyssa Dominguez, MD, a clinical assistant professor of medicine with the Keck School of Medicine of USC and endocrinologist with Keck Medicine, who wasn’t involved with the new study. — Laura Bradley, HEALTH, 10 Aug. 2026

What’s more, the longer and hotter the meat is cooked, the more HCAs develop, often appearing as char, according to Tracy Proverbs-Singh, MD, gastrointestinal medical oncologist at John Theurer Cancer Center at Hackensack University Medical Center. — Martha Stewart, 7 Aug. 2026

That revved up tumor-eliminating T cells and a year later, colonoscopies showed fewer precancerous growths and no advanced polyps, the MD Anderson team reported in Nature Medicine. — ABC News, 6 Aug. 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