ed  (ěd) 
n.
Informal
Education: driver's ed; adult ed. |
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary
Main Entry:
ED Function:
abbreviation 1 effective dose
2 emergency department
3 erectile dysfunction
4 erythema dose
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary
ED abbr.
effective dose
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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