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

According to Priya Jaisinghani, MD, an endocrinologist and obesity medicine specialist at NYU Langone Health, people commonly turn to peptides to lose weight, grow muscle, support exercise recovery, and enhance longevity. — Jenna Anderson, Health, 13 July 2026 Gross, who joined OpenAI in 2025, has an MD from the Emory University School of Medicine and an MBA from Harvard and previously cofounded $4 billion (market cap) healthcare network Doximity. — Rashi Shrivastava, Forbes.com, 7 July 2026 Proceeds will benefit David Agus MD Cancer Research at the Ellison Institute. — Spin Staff, SPIN, 7 July 2026 According to an article from the University of Texas MD Anderson Cancer Center, some of the best exercises for lymphatic flow are low-impact cardio and stretching. — Mélanie Defouilloy, Vogue, 6 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

See more words from the same century

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MCW

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Cite this Entry

Style

“Md.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Md. Accessed 15 Jul. 2026.

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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

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