Dusk (noun)  
the period between afternoon and nighttime 
It is recommended that a driver turn his lights on at the first signs
of dusk.  
Dwarf (verb)  
to make extremely small 
Given that is has snowed 35 inches in less than two days, this blizzard
dwarfs any other 
storm that we have ever seen in our state. 
Dwellings (noun)  
a building or shelter where one lives 
Many ancient Native American dwellings were built within the cliffs of
the Grand 
Canyon in Northern Arizona.  
Dye (noun)  
something that gives color 
Ancient peoples used fermentation to make beer and used plants to
produce dyes and 
medicines. 
Dynamism (noun)  
the quality of being energetic, vigorous 
Driven by dizzying mutations in medical costs, program directors and
staff ponder the 
disruptive dynamism of these new reforms.  
Dysfunction (noun)  
abnormal, impaired, or incomplete functioning, as of a body organ or
part 
Victims may have a predisposition to mood disorders which can be
heightened by 
dysfunctions in family life. 
Easternmost (adjective)  
the farthest east of a boundary or territory 
On the easternmost edge of Colorado lies a Native American
settlement.                                              
Eccentricity (noun)  
deviating from the normal or customary; peculiar behavior 
The high eccentricity of Mercury's orbit would produce very strange
effects for an 
observer on Mercury's surface. At some longitudes the observer would
see the Sun rise 
and then gradually increase in apparent size as it slowly moved toward
the zenith. 
Eclipse (verb)  
to be greater or better than   
Albert Einstein eclipsed his predecessors with his revolutionary
breakthroughs in 
relativity.  
Echolocation (noun)  
a process of locating distant or invisible objects by means of sound
waves reflected back to  
the emitter (as a bat or a submarine) by the objects 
The biological sonar, or echolocation, of bats and a few other animals
is one of nature’s 
great inventions. 
 
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