U meaning

UK /juː/ US /ju/ 1 syllable

U (noun): a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine.

U has 4 meanings in this dictionary, as noun and adjective.

U as a noun

  1. a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine

    Synonyms: uracil

    Type of: nucleotide

  2. a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons

    Synonyms: uranium, atomic number 92

    Type of: metallic element

    Kinds: uranium 235, uranium 238

  3. the 21st letter of the Roman alphabet

    Type of: letter

U as an adjective

  1. (chiefly British) of or appropriate to the upper classes especially in language use

    Similar: upper-class

How to pronounce U

U is pronounced /juː/ in British English and /ju/ in American English. It has 1 syllable.

Words that rhyme with U

More about U on Wikipedia.