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u (EN)
bogstav, symbol

Dette ord kan også være en form af:
U (bogstav, Navneord, præposition, symbol)

bogstav “u”

u
  1. den lille form af bogstavet "u"
    The word "umbrella" starts with a "u".

symbol “u”

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