Definition of Eminent Domain & Blighted

Source for the following definition: http://www.legal-explanations.com
Definitioin of Eminent Domain:
“n. the power of a governmental entity (federal, state, county or city government, school district, hospital district or other agencies) to take private real estate for public use, with or without the permission of the owner”

Source for the following – http://www.thefreedictionary.com/

blight (bl t)
n.
1.
a. Any of numerous plant diseases resulting in sudden conspicuous wilting and dying of affected parts, especially young, growing tissues.
b. The condition or causative agent, such as a bacterium, fungus, or virus, that results in blight.

2. An extremely adverse environmental condition, such as air pollution.

3. Something that impairs growth, withers hopes and ambitions, or impedes progress and prosperity.

Source for the following: http://www.columbia.edu/  New Rochelle Studio

The term "blighted area" for purposes of urban renewal condemnation, encompasses areas in process of deterioration or threatened with it as well as one already rendered useless and may include vacant land and air rights.