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u (EN)
črka, simbol

Ta beseda je lahko tudi oblika:
U (črka, samostalnik, predlog, simbol)

črka “u”

u
  1. mala črka "u"
    The word "umbrella" starts with a "u".

simbol “u”

u
  1. simbol za enoto atomske mase
    The carbon-12 atom has a mass of exactly 12 u, making it a standard reference for the atomic mass unit.
  2. v fiziki simbol za kvark navzgor
    In particle physics, the proton is composed of three quarks: uud.