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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.

antiproton

/æn.tiˈproʊ.tɑn/ /æn.tiˈprəʊ.tɒn/

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.

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