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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.

"We will join the nation-building effort led by Tarique Rahman," Md Fazlur Rahman, 45, told AFP.

From Barron's • Feb. 13, 2026

At Great Britain's busiest driving test centre, Goodmayes in east London, 23-year-old student Md Rahmath Ullah Mehedi told us he had paid a tout £120 for a slot in March.

From BBC • Dec. 6, 2025

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

The technology, invented by ORNL's Tomonori Saito and former postdoctoral researcher Md Arifuzzaman, uses an exceptionally efficient organocatalyst that allows selective deconstruction of various plastics, including a mixture of diverse consumer plastics.

From Science Daily • Sep. 21, 2023

“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.