galactic nucleus
noun
The central part of a galaxy; specifically that of the Milky Way galaxy.
- The nuclei of most large galaxies are now believed to contain a supermassive black hole..
Origin
1920s.
- jacket potato
- jackfish
- Jack Frost
- jackfruit
- jackhammer
- jackie hangman
- jack-in-office
- jack in (or into)
- jack-in-the-box
- Jack-in-the-pulpit
- jackknife
- jackknife clam
- jackknife fish
- jackleg
- jack light
- Jacklin, Tony
- jack mackerel
- Jack Mormon
- Jack Nohi
- jack of all trades (and master of none)
- jack off
- jack-o'-lantern
- jack pine
- jack plane
- jack plug