nucleus
1 ENTRIES FOUND:
Britannica Dictionary definition of NUCLEUS
[count]
1
biology
:
the central part of most cells that contains genetic material and is enclosed in a membrane
2
physics
:
the central part of an atom that is made up of protons and neutrons
3
:
a central or most important part of something
— usually + of
-
players who are the nucleus [=core] of the team
