Nouns denoting natural objects (not man-made)

Bering Strait
a strait connecting the Bering Sea to the Arctic Ocean
a part of a river where the current is very fast
a long narrow natural elevation on the floor of the ocean
quasi-stellar radio source
a starlike object that may send out radio waves and other forms of energy; many have large red shifts
anything that covers
a small smooth rounded rock
Meuse River
a European river; flows into the North Sea
Trinity River
a river in eastern Texas that is formed near Dallas and flows generally southeastward to Galveston Bay
a fossil that must be studied microscopically
a pit filled with loose wet sand into which objects are sucked down
Oder River
a European river; flows into the Baltic Sea
Bay of Bengal
an arm of the Indian Ocean to the east of India
a small fragment of a burning substance thrown out by burning material or by friction
a particle that has the same mass as another particle but has opposite values for its other properties; interaction of a particle and its antiparticle results in annihilation and the production of radiant energy
a mountain formed by volcanic material
a pit over which lumber is positioned to be sawed by two men with a long two-handed saw
a constellation in the southern hemisphere near Telescopium and Norma
something added to another thing but not an essential part of it
(geology) a stratum of rock (especially sedimentary rock)
White Nile
a headstream of the Nile; joins the Blue Nile at Khartoum to form the Nile
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