noun
- plural of positronium; short-lived atomic systems consisting of an electron and a positron bound together
Usage: physics; technical
Examples
- Scientists studied the decay patterns of various positroniums in the laboratory.
- The formation of positroniums occurs when positrons encounter electrons.
- Researchers measured the lifetimes of different positroniums under controlled conditions.
- The experiment involved creating multiple positroniums simultaneously.
- Positroniums annihilate quickly, releasing gamma rays in the process.