Md

1 of 4

abbreviation (1)

Maryland

Md

2 of 4

symbol

mendelevium

MD

3 of 4

abbreviation or noun

ˌem-ˈdē How to pronounce MD (audio)
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
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
Next was a DPhil in public health at Oxford and an MD at Columbia. — Nicholas Tomaino, Washington Post, 2 Aug. 2026 Muhamad Aly Rifai, MD, DFAPA Endowed Chair of Psychiatric Medicine, Chief Physician and CEO of Blue Mountain Psychiatry. — Muhamad Aly Rifai, Forbes.com, 31 July 2026 Arbuckle wrote on Fountain of You MD that his testosterone came back at 260 ng/dL, which sits at the lower end of what labs call the normal range. — Samantha Agate, Charlotte Observer, 30 July 2026 At Imcine, Álvarez Ibargüengoitia served as MD of international promotion over 2013-17 before becoming its director of film production (2017-26) and also technical co-ordinator (2019-26). — John Hopewell, Variety, 29 July 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

Browse Nearby Words

MCW
Md
MD
See all Nearby Words

Cite this Entry

“Md.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Md. Accessed 5 Aug. 2026.

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Medical Definition

Md

1 of 3 symbol
mendelevium

MD

2 of 3 abbreviation or noun
variants or M.D.
ˌem-ˈdē How to pronounce MD (audio)
: doctor of medicine

MD

3 of 3 abbreviation
1
medical department
2
muscular dystrophy
Etymology

Abbreviation or noun

Latin medicinae doctor

More from Merriam-Webster on Md

Britannica.com: Encyclopedia article about Md

Last Updated: - Updated example sentences
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