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calk (2)
call
call alarm
call back
call bird
call box
call center
call date
call down
call for
call forth
call girl
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californium

cal·i·for·ni·um [ kàlli fáwrnee əm ]


noun 
Definition:
 
synthetic metallic element: a synthetic radioactive metallic element. Source: bombardment of curium or americium with neutrons. Use: neutron source.
Symbol  Cf


[Mid-20th century. Because first synthesized at the University of California]
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