Definitions

1. noun

A small, localized region of ionized gas, particularly in the form of a magnetic flux rope, often occurring in the Earth’s magnetosphere or in the solar corona.

“The scientists studied the formation of plasmoids in the solar corona and their effects on the surrounding plasma.”

2. noun

A hypothetical or theoretical entity, such as a particle or field, that is not directly observable but is inferred to exist through its effects.

“The physicist proposed the existence of a plasmoid to explain the unusual behavior of subatomic particles in the experiment.”