Definition of U in English :
Define U in English
U meaning in English
Meaning of U in English
Pronunciation of U in English
U pronunciation in English
Pronounce U in Englishsee synonyms of u
1. u, uracil
a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
the 21st letter of the Roman alphabet
(chiefly British) of or appropriate to the upper classes especially in language use
WordNet Lexical Database for English. Princeton University. 2010.
Collins English Dictionary. Copyright © HarperCollins Publishers
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.
The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.