Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
U | Yes | No | No | No |
uraninite | Yes | No | No | No |
U (noun) | uraninite (noun) |
---|---|
the 21st letter of the Roman alphabet | a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore |
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 |