Md

1 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.

4 of 4

abbreviation (2)

[Italian mano destra] right hand

Maryland

medical department

minidisc

months after date

muscular dystrophy

Examples of Md in a Sentence

Recent Examples on the Web

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Abbreviation or noun

This will help make the operations more effective and efficient…but local marketing teams, particularly in larger FTA markets will continue to have a dotted line relationship into the country GM/MD and be part of their leadership team. — Max Goldbart, Deadline, 30 Oct. 2026 This will help make the operations more effective and efficient … but local marketing teams, particularly in larger FTA markets will continue to have a dotted-line relationship into the country GM/MD and be part of their leadership team. — Michael Schneider, Variety, 29 Oct. 2026 Various factors may be responsible for the generational divide, says Devika Umashanker, MD, the system director of medical weight loss at the Hartford HealthCare Digestive Health Institute in Hartford, Connecticut. — Adam Gilden, EverydayHealth.com, 27 Oct. 2026 Newport Beach dermatologist Zenovia Gabriel, MD, warned New Beauty against harsh scrubs and abrasive cleansing tools, which strip the barrier and can worsen acne. — Samantha Agate, Kansas City Star, 26 Oct. 2026 See All Example Sentences for Md

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

Time Traveler

The first known use of Md was in the 15th century

See more words from the same century

Browse Nearby Words

MCW

See all Nearby Words

Cite this Entry

Style

“Md.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Md. Accessed 1 Nov. 2026.

Copy Citation

Medical Definition

1 of 3 symbol

mendelevium

2 of 3 abbreviation or noun

variants or M.D.

ˌem-ˈdē

: doctor of medicine

3 of 3 abbreviation

medical department

muscular dystrophy

Etymology

Abbreviation or noun

Latin medicinae doctor

Md

abbreviation (1)

symbol

abbreviation or noun

abbreviation (2)

Examples of Md in a Sentence

Word History

Browse Nearby Words

Cite this Entry

Medical Definition

More from Merriam-Webster on Md

More from Merriam-Webster

Word of the Day

Pyrrhic

Popular in Grammar & Usage

How to Use 'Who' vs. 'Whom'

Merriam-Webster’s Great Big List of Words You Love to Hate

'Affect' vs. 'Effect'

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Popular in Wordplay

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Pwn, Skibidi, Girlboss and Other Words Added to the 2026 Scrabble Dictionary

The Words of the Week - Oct. 30

12 Lovely and Unusual Words for the Natural World

Popular

How to Use 'Who' vs. 'Whom'

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Games & Quizzes