nu·clide 
(nklīd′, ny-)
(nklīd′, ny-)n.
A type of atom specified by its atomic number, atomic mass, and energy state, such as carbon-14.
nu·clidic (n-klĭdĭk, ny-) adj.
- reducer
- reducibility
- reducible
- reducibly
- reducing agent
- reductant
- reductase
- reductio ad absurdum
- reduction
- reductional
- reductionism
- reductionist
- reductionistic
- reductive
- reductively
- reductivism
- reductivist
- redundancy
- redundant
- redundantly
- reduplicate
- reduplication
- reduplicative
- reduplicatively
- reduviid