nu·cle·o·plasm 
(nklē-ə-plăz′əm, ny-)
(nklē-ə-plăz′əm, ny-)n.
The protoplasm of a cell nucleus. Also called karyoplasm.
nu′cle·o·plasmic, nu′cle·o·plas·matic (-ō-plăz-mătĭk) adj.
- observational
- observationally
- observatory
- observe
- observer
- observingly
- obsess
- obsession
- obsessional
- obsessionally
- obsessive
- obsessive-compulsive
- obsessive-compulsive disorder
- obsessive-compulsive personality disorder
- obsessively
- obsessiveness
- obsessor
- obsidian
- obsolesce
- obsolescence
- obsolescent
- obsolescently
- obsolete
- obsoletely
- obsoleteness