quark
US /kwɑːrk/
UK /kwɑːrk/
1.
quark
any of a number of subatomic particles carrying a fractional electric charge, postulated as constituents of hadrons (such as baryons and mesons). Quarks have not been observed in isolation.
:
•
Protons and neutrons are made up of quarks.
Protoni e neutroni sono costituiti da quark.
•
Scientists are still studying the properties of different types of quarks.
Gli scienziati stanno ancora studiando le proprietà dei diversi tipi di quark.