Dictionary


ed



Pronunciation: (ed), [key]
—n. Informal.
education: a course in driver's ed; adult ed.

Ed



Pronunciation: (ed), [key]
—n.
a male given name, form of Edgar or Edward.

ED50,



Pharm.
effective dose for 50 percent of the group; the amount of a drug that is therapeutic in 50 percent of the persons or animals in which it is tested.

-ed




a suffix forming the past tense of weak verbs: he crossed the river.

-ed




a suffix forming the past participle of weak verbs (he had crossed the river), and of participial adjectives indicating a condition or quality resulting from the action of the verb (inflated balloons).

-ed




a suffix forming adjectives from nouns: bearded; monied; tender-hearted.

ed.




1. edited.
2.
—pl. eds.edition.
3.
—pl. eds.editor.
4. education.

E.D.




1. Eastern Department.
2. election district.
3. ex dividend.
4. executive director.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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See also:
  • ed (Thesaurus)
  • ed (Encyclopedia)

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