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u (EN)
bokstav, symbol

Detta ord kan också vara en form av:
U (bokstav, substantiv, preposition, symbol)

bokstav “u”

u
  1. gemena formen av bokstaven "U"
    The word "umbrella" starts with a "u".

symbol “u”

u
  1. symbol för atommassenhet
    The carbon-12 atom has a mass of exactly 12 u, making it a standard reference for the atomic mass unit.
  2. i fysik, en symbol för uppkvarken
    In particle physics, the proton is composed of three quarks: uud.