Antiproton - Meaning, Definition & English Examples
An antiproton is a subatomic particle with the same mass as a proton but an opposite negative charge. It is the antimatter counterpart of a proton.
Definition:
A subatomic particle with the same mass as a proton but a negative charge.
Synonyms:
negative proton, anti-proton, p-bar
Part of Speech:
noun
Antonyms:
proton, positron
Common Collocations:
antiproton beam, antiproton collision, antiproton production
Derivatives:
antiprotons, antiprotonic
Usage Tips:
Use "antiproton" in physics contexts to describe its role in antimatter research or particle collisions.
Common Phrases:
antiproton decelerator, antiproton accumulator, antiproton source
Etymology:
From "anti-" (against) + "proton," coined in mid-20th century with the discovery of antimatter particles.
Examples:
- 1. The antiproton was discovered in 1955.
- 2. Scientists study antiprotons to understand antimatter better.
- 3. An antiproton has a negative charge, unlike a proton.
- 4. Antiprotons are produced in high-energy particle accelerators.