xumsle lujvo

s1 is a molecule of chemical x2.

c.f. selci, xukmi, ratni, lektoni, protoni, nurtoni.

In notes:

cmuxu'i
x1 is an element of kind x2 with purity x3.
mivyselkrakemxumsle
x1 is a biological compound/biomolecule/organic molecule (one sense) of type/substance x2, originating in life-form/organism x3.
estre
x1 is an ester derived from acid x2 and alcohol x3
ionti
x1 is an ion of radical/(atom of element)x2 with x3 charges
lektoni
x1 is an electron in quantum state x2
nurtoni
x1 is a neutron in quantum state x2.
protoni
x1 is a proton in quantum state x2.
ma'u zei ionti
x1 is an cation of radical/(atom of element)x2 with x3 charges.
ni'u zei ionti
x1 is an anion of radical/(atom of element)x2 with x3 charges.