Definition of U

  • 1. A base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine Noun
  • 2. A heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons Noun
  • 3. The 21st letter of the Roman alphabet Noun
  • 4. (chiefly British) of or appropriate to the upper classes especially in language use Adjective Satellite

Synonyms for word "u"

Semanticaly linked words with "u"

Hyponims for word "u"