Definitions

1. noun

A subatomic particle that is the antiparticle of a proton and has the same mass but opposite charge.

“The discovery of the antiproton led to significant advancements in our understanding of subatomic particles and their properties.”

2. noun

A negatively charged particle that has the same mass as a proton and is used in particle accelerators to study the properties of matter and antimatter.

“Physicists at CERN have successfully created and studied antiprotons to gain insights into the fundamental laws of physics.”