Nouns denoting natural objects (not man-made)

Sajama
a mountain peak in the Andes in Bolivia (21,391 feet high)
 
inclusion body
any small intracellular body found within another (characteristic of certain diseases)
 
stalagmite
a cylinder of calcium carbonate projecting upward from the floor of a limestone cave
 
reverse fault
a geological fault in which the upper side appears to have been pushed upward by compression
 
Arctic Ocean
ice covered waters surrounding the North Pole; mostly covered with solid ice or with ice floes and icebergs
 
b-meson
exceedingly short-lived meson
 
star
any celestial body visible (as a point of light) from the Earth at night
 
San Fernando Valley
a fertile valley in southern California to the north of Los Angeles; includes many residential communities
 
star
(astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
 
Mount Everest
a mountain in the central Himalayas on the border of Tibet and Nepal; the highest mountain peak in the world (29,028 feet high)
 
hillside
the side or slope of a hill
 
Fingal's Cave
a large cave with basaltic pillars on Staffa island in Scotland
 
radiator
any object that radiates energy
 
cave
a geological formation consisting of an underground enclosure with access from the surface of the ground or from the sea
 
Davy Jones's locker
the bottom of a sea or ocean
 
fecalith
a hard mass of fecal matter
 
antiproton
an unstable negatively charged proton; the antiparticle of a proton
 
salt marsh
low-lying wet land that is frequently flooded with saltwater
 
enterolith
a calculus occurring in the intestines
 
Apus
a constellation in the polar region of the southern hemisphere near Octans
 
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