Nouns denoting natural objects (not man-made)

Denebola
a star in Leo approximately 43 light years from Earth
 
Gulf of Aden
arm of the Indian Ocean at the entrance to the Red Sea
 
virino
(microbiology) a hypothetical infectious particle thought to be the cause of scrapie and other degenerative diseases of the central nervous system; consists of nucleic acid in a protective coat of host cell proteins
 
North Peak
19,370 feet high
 
Makalu
a mountain in the Himalayas in Nepal (27,790 feet high)
 
drop
a steep high face of rock
 
transmission mechanism
any mechanism whereby an infectious agent is spread from a reservoir to a human being
 
shore boulder
a boulder found on a shore remote from its place of origin
 
Tampa Bay
an arm of the Gulf of Mexico in west central Florida
 
Jordan River
a river in Palestine that empties into the Dead Sea; John the Baptist baptized Jesus in the Jordan
 
Great Smoky Mountains
part of the Appalachians between North Carolina and Tennessee
 
Humber
an estuary in central northeastern England formed by the Ouse River and the Trent River
 
Atlantic Coast
a coast of the Atlantic Ocean
 
Great Lakes
a group of five large, interconnected lakes in central North America
 
thermal spring
a natural spring of water at a temperature of 70 F or above
 
Kura River
a river in western Asia; rises in northeast Turkey and flows to the Caspian Sea
 
heterocycle
a ring of atoms of more than one kind; especially a ring of carbon atoms containing at least one atom that is not carbon
 
Golfo de Campeche
a part of the Gulf of Mexico to the west of Yucatan
 
shoal
a stretch of shallow water
 
steep
a steep place (as on a hill)
 
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