x_{1} is a quantum/ray/elementary particle/smallest measurable increment of property/activity x_{2}.

Quantum ray (= bonka'u). (cf. selci for masses and most objects; ratni, gradu, gusni, nejni, linji)

- gradu
- x
_{1}[magnitude] is a unit/degree of/on scale/reference standard x_{2}(si'o) measuring property x_{3}. - gusni
- x
_{1}[energy] is light/illumination illuminating x_{2}from light source x_{3}. - linji
- x
_{1}is a line/among lines [1-dimensional shape/form] defined by set of points x_{2}. - nejni
- x
_{1}is energy of type x_{2}in form x_{3}. - ratni
- x
_{1}is an atom of element/atomic number x_{2}of isotope number/atomic weight x_{3}. - selci
- x
_{1}is a cell/atom/unit/molecule of x_{2}; x_{1}is an indivisible, most basic subunit of x_{2}. - djaka'u
- x
_{1}is a nutrient for organism x_{2} - guska'u
- x
_{1}is a photon. - kosmyka'u
- x
_{1}(abstraction) is a use-case / expected usage scenario of x_{2}(object/event) - zgika'u
- k
_{1}is a music note (tone). - zgika'usni
- s
_{1}is a music note (symbol). - ezga
- x
_{1}(record, movie) has the dimension x_{2}(ka) - kantrbocuni
- x1 is a boson (quantum wave-particle obeying Boseâ€“Einstein statistics) of type x2 in quantum state/with properties x3
- kantrfermini
- x1 is a fermion (quantum wave-particle/quanton obeying Fermi-Dirac statistics) of type x2 in quantum state/with properties x3
- xy zei dirce
- d
_{1}radiates X-rays d_{2}under conditions d_{3}. - kuarka
- x
_{1}is a quark with flavor x_{2}.