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.
- postmaturely
- postmaturity
- postmeatal
- postmedial
- postmedian
- post-mediastinum
- post-meiotic
- post-menarchal
- post-menarcheal
- postmenopausal
- postmenopausally
- postmenopause
- postmenstrual
- postmenstruum
- postmeridian
- post meridiem
- postmeridional
- post-metamorphic
- post mill
- postmillenarian
- postmillenarianism
- postmillennarian
- postmillennial
- postmillennialism
- postmillennialist