English dictionary
U
/j//u/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
-
a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
Synonyms uracilSource: WordNet 3.0
-
a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
Source: WordNet 3.0
-
the 21st letter of the Roman alphabet
Source: WordNet 3.0
adjective satellite
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(chiefly British) of or appropriate to the upper classes especially in language use
Source: WordNet 3.0