Synonyms of u


1. uracil, U, nucleotide, base

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

2. uranium, U, atomic number 92, metallic element, metal

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

3. U, u, letter, letter of the alphabet, alphabetic character

usage: the 21st letter of the Roman alphabet


1. u, upper-class (vs. lower-class) (vs. middle-class)

usage: (chiefly British) of or appropriate to the upper classes especially in language use

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Definition and meaning of u (Dictionary)