Meaning of the word neutron in English

What does neutron mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

neutron

US /ˈnuː.trɑːn/
UK /ˈnjuː.trɒn/
"neutron" picture

Noun

a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.

Example:
The nucleus of a helium atom contains two protons and two neutrons.
Neutrons are essential for nuclear fission.