Nouns denoting natural objects (not man-made)

terrace
a level shelf of land interrupting a declivity (with steep slopes above and below)
 
Trinity River
a river in eastern Texas that is formed near Dallas and flows generally southeastward to Galveston Bay
 
Alaska Range
a mountain range in south central Alaska; contains Mount McKinley
 
eyry
the lofty nest of a bird of prey (such as a hawk or eagle)
 
Massachusetts Bay
an inlet of the Atlantic Ocean off of eastern Massachusetts extending from Cape Ann on the north to Cape Cod on the south
 
forest
land that is covered with trees and shrubs
 
Atacama Trench
a depression in the floor of the Pacific Ocean off the coast of Chile
 
mid-water
the water that is well below the surface but also well above the bottom
 
Arctic Ocean
ice covered waters surrounding the North Pole; mostly covered with solid ice or with ice floes and icebergs
 
bathyal district
the steep descent of the seabed from the continental shelf to the abyssal zone
 
scintilla
a sparkling glittering particle
 
dale
an open river valley (in a hilly area)
 
nest
a structure in which animals lay eggs or give birth to their young
 
Kara Sea
part of the Arctic Ocean to the north of Siberia and to the east of the Barents Sea; icebound most of the year
 
Gulf of Aegina
a gulf of the Aegean on the southeastern coast of Greece
 
Chari River
an African river that flows northwest into Lake Chad
 
Florida key
a coral reef off the southern coast of Florida
 
nacreous cloud
a luminous iridescent cloud at a high altitude that may be seen when the sun is a few degrees below the horizon
 
watercourse
a natural body of running water flowing on or under the earth
 
dipole molecule
a molecule that is a permanent dipole
 
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