californium
Californium (noun) means a strongly radioactive transuranic chemical element with the symbol Cf and atomic number 98. Example: “Californium has the atomic number 98.”
How to use californium
Learner’s notesIn plain EnglishA strongly radioactive man-made element, symbol Cf, atomic number 98.
It is a scientific term, used mainly in chemistry and physics.
Fill the gap
Can you complete this real example?
_____ has the atomic number 98.
Etymology
It is formed from California plus the ending -ium. The element was first synthesised at what is now Lawrence Berkeley National Laboratory, so it is named after the university and the state of California.