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

Footwear includes the SuperComp MD-X v3 x Sydney McLaughlin-Levrone track spike, the FuelCell Rebel v5 training shoe and the 9060 lifestyle shoe. — Katie Abel, Footwear News, 26 Aug. 2026 Cops say Acosta shot 44-year-old MD Yousuf to death moments after midnight Sunday inside American Best Wings & Pizza on Rockaway Ave. — Rocco Parascandola, New York Daily News, 25 Aug. 2026 The event will then transition to short presentations on heart health and cancer screenings by Franciscan Physician Network Medical Oncologist Yameen Rashid, DO, and Cardiologist Asad Torabi, MD, followed by a question-and-answer period. — Post-Tribune, Chicago Tribune, 24 Aug. 2026 Collaborators on the study included a neurosurgical team at Beijing Tiantan Hospital led by Nan Ji, MD, and a team led by Gangxiong Huang, MD, at Tcelltech, a biotech company preparing clinical grade CAR-T cells. — Isabella Backman, Hartford Courant, 24 Aug. 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

See all Nearby Words

Cite this Entry

Style

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