antiparticle

noun
/ˈæntiˌpɑ(ɹ)tɪkəl/

Etymology

From anti- + particle.

Definitions

  1. A subatomic particle corresponding to another particle with the same mass, spin and mean…

    A subatomic particle corresponding to another particle with the same mass, spin and mean lifetime but with charge, parity, strangeness and other quantum numbers flipped in sign; a particle that has a reversed world line to another.

    • There could be whole antiworlds and antipeople made out of antiparticles. However, if you meet your antiself, don't shake hands!
    • Particles of matter and antimatter are identical, except for an opposite electrical charge. An electron has a negative charge whereas its antiparticle, the positron, has a positive charge, and both have an identical mass.

The neighborhood

Vish — recursive loop

No curated loop yet for antiparticle. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA