protonorneutron
nounUK /ˌprəʊtəʊˈnjuːtrɒn/
US /ˌproʊtoʊˈnuːtrɑːn/
A tiny part inside an atom that is like a proton or a neutron.
The scientist drew a protonorneutron on the board to show the tiny parts of an atom.
OTHER MEANINGS
2. A made-up word combining proton and neutron.
The teacher smiled when a student wrote protonorneutron in the science quiz.
3. A playful name for a particle that acts like both a proton and a neutron.
In the story, a protonorneutron bounced around the atom's center.
4. A term used in a game to mean a tiny energy ball.
The hero collected a protonorneutron to power up his spaceship.