annihilation

What is annihilation?

annihilation meaning in Science terminology / glossary / dictionary is:
Annihilation of particles is the disappearance of the mass energy of a particle and its corresponding antiparticle, and its appearance as another sort of energy (possibly including a spray of particles of total quantum number zero for each of the additive quantum numbers).

 

reference: Berkeley Lab. U.S. Department of Energy

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Annihilation

What is Annihilation ?

Annihilation is (noun) total destruction. Antonym protection

 

source: Easier English, Student Dictionary Upper Intermediate Level