galactic halo
noun
A roughly spheroidal part of many spiral galaxies that surrounds the disc and the bulge and is more diffuse, containing stars that are older; specifically that of the galaxy to which the solar system belongs, which contains stars and globular clusters.
Origin
1950s; earliest use found in Astrophysical Journal.
- puttock
- put-together
- puttony
- puttoo
- put to rout
- put to the sword
- put to the torch (or put a torch to)
- puttu
- put two and two together
- putty
- putty blower
- putty head
- putty-headed
- putty-hearted
- putty knife
- putty medal
- putty-root
- putty work
- putu
- Putumayo River
- put up
- put-up-able-with
- put up a fight
- putu pap
- putupap