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for
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u
u
/ˈjuː/
adjective
[Informal, British]
(chiefly British) of or appropriate to the upper classes especially in language use
(
u
[Informal, British]
)
(chiefly British) of or appropriate to the upper classes especially in language use
U
noun
The 21st letter of the Roman alphabet
(
U
)
the 21st letter of the Roman alphabet
A heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
(
atomic number 92
,
U
,
uranium
)
a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
A base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
(
U
,
uracil
)
a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
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