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- interiorize 3
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californium
noun
cal·i·for·ni·um ˌka-lə-ˈfȯr-nē-əm 
: a radioactive chemical element with atomic number 98 that is produced artificially from the decay of berkelium and that is used chiefly as a neutron source in radiography and to start nuclear reactors see Chemical Elements Table
Example Sentences
Recent Examples on the Web But the chase for 120 is on hold until researchers obtain the amount of californium—a rare element produced in high-flux nuclear reactors—needed for 120’s target. 
Daniel Clery, Science | AAAS, 12 Feb. 2021
Daniel Clery, Science | AAAS, 12 Feb. 2021 Word History
Etymology
New Latin, from California, U.S.
First Known Use
1950, in the meaning defined above
Time Traveler
The first known use of californium was in 1950 👨🏻🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
切換為繁體中文