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

Anything that lessens the steep sticker price of IVF is a big win, Brian Levine, MD, founding partner and practice director of CCRM Fertility of New York, tells SELF. —Erica Sloan, SELF, 9 Mar. 2026

Chatbots are designed for tasks like answering questions or helping with services, explains Lokesh Shahani, MD, PhD, MPH, a psychiatrist with UTHealth Houston and chief medical officer at UTHealth Houston Behavioral Sciences Campus. —Sherri Gordon, Parents, 7 Mar. 2026

According to Anne Peters, MD, an endocrinologist at Keck Medicine of USC, clinical trials have shown that about 3% to 8% of people get a skin reaction when taking the drug. —Audrey Noble, Vogue, 6 Mar. 2026

Eric Nolen-Doerr, MD, an endocrinologist and weight-management specialist at Boston Medical Center and an assistant professor at the Boston University Chobanian & Avedisian School of Medicine. —Julia Sullivan, Allure, 6 Mar. 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