1. Plural of berkelium; atoms or samples of the chemical element berkelium (symbol Bk, atomic number 97), a synthetic radioactive actinide metal.
Usage: chemistry; technical; plural form

Examples

• Berkeliums are produced in nuclear reactors by bombarding lighter elements with neutrons.
• The laboratory stored berkeliums in specially shielded containers due to their radioactivity.
• Scientists study berkeliums to understand the properties of transuranium elements.
• Berkeliums have no practical commercial applications outside of research.
• The isotope berkelium-249 is one of the most stable forms of berkeliums.