ce·rous 
(sîrəs)
(sîrəs)adj.
Relating to or containing cerium, especially with valence 3.
[CER(IUM) + -OUS.]
- primary tooth
- primary verb
- primary xylem
- primate
- primatial
- primatological
- primatologist
- primatology
- primavera
- prima vera
- primavera
- prime
- prime interest rate
- primely
- prime meridian
- prime minister
- prime ministerial
- prime ministership
- prime ministry
- prime mover
- primeness
- prime number
- primer
- primer
- prime rate