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Synonyms

Md

1 American  

abbreviation

  1. Music. right hand.

Md 2 American  
Symbol, Chemistry.

  1. mendelevium.

MD 3 American  
Or M.D.

  1. Doctor of Medicine.

MD 4 American  

abbreviation

  1. Maryland (approved especially for use with zip code).

  2. Middle Dutch. Also M.D.

  3. months after date.

  4. muscular dystrophy.

Md. 5 American  

abbreviation

  1. Maryland.

M/D 6 American  
Or m/d

  1. months after date.

MD 1 British  

abbreviation

  1. Doctor of Medicine

  2. Managing Director

  3. Maryland

  4. Medical Department

  5. mentally deficient

  6. (in Canada) municipal district

  7. Moldova (international car registration)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Md. 2 British  

abbreviation

  1. Maryland

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Md 3 British  

symbol

  1. mendelevium

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
md 4 British  

abbreviation

  1. Moldova

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Md1

< Italian mano destra or French main droite

Origin of MD3

From New Latin Medicīnae Doctor

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"I waited for more than an hour to get two litres," said motorcyclist Md Al-Amin, 45.

From Barron's • Mar. 8, 2026

That was the right decision, said Brett Stelfox, executive operations manager at Golden Eagle Coins in Laurel, Md.

From The Wall Street Journal • Nov. 9, 2025

As something of an antiques expert now, she recalls how intimidated she was when she spotted the orange stretch glass vase in a store window in Silver Spring, Md.

From Los Angeles Times • Oct. 20, 2025

The authorities must hand back the items within 14 days, government prosecutor Mohammad Sallehuddin Md Ali told the Kuala Lumpur High Court today.

From BBC • Nov. 25, 2024

“I love Cade. I think he’s the funniest Md I know too.”

From "100 Sideways Miles" by Andrew Smith

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.