zero-charge particle
nounUK /ˈzɪərəʊ tʃɑːdʒ ˈpɑːtɪkəl/
US /ˈzɪroʊ tʃɑːrdʒ ˈpɑːrtɪkəl/
A tiny piece of matter that has no electric charge at all.
The neutron is a zero-charge particle found inside the nucleus of an atom.
RELATED WORDS
OTHER MEANINGS
2. A particle whose net electric charge equals zero because positive and negative charges cancel out.
Although it contains charged quarks, the neutron behaves as a zero-charge particle overall.
3. In particle physics, any fundamental or composite particle that does not interact through the electromagnetic force.
Neutrinos are zero-charge particles that pass through most matter almost unnoticed.
4. A hypothetical or idealized particle used in models to simplify calculations by assuming no charge.
The simulation treated the dust grains as zero-charge particles to isolate gravitational effects.