protoni fu'ivla

x1 is a proton in quantum state x2.

Cf. lektoni, nurtoni, kuarka, xumsle.


In notes:

ratmidju
x1=m1 is the nucleus of atom x2=m2=r1.
xumsle
s1 is a molecule of chemical x2.
lektoni
x1 is an electron in quantum state x2
nurtoni
x1 is a neutron in quantum state x2.
xipfne
x1 emits light characteristic of/is of the color that is described by/(as) arising from/associated with the approximately twenty-one centimeter wavelength, hydrogen hyperfine proton/electron spin-flip transition (from parallel to antiparallel configuration, id est: from the higher energy state to the lower energy state), electromagnetic radiation