| NU | of girls or women |
|---|---|
| NU | central part of a plant ovule |
| NU | the back side of the neck |
| NU | nutcrackers |
| NU | Old World nutcracker |
| NU | nutcracker of the western United States |
| NU | constituting or like a nucleus |
| NU | weapons using atomic energy |
| NU | (physics) of or relating to or constituting the nucleus of an atom |
| NU | (biology) of or relating to or constituting the nucleus of a cell |
| NU | a chemist who specializes in nuclear chemistry |
| NU | the chemistry of radioactive substances |