pre·reg·is·tra·tion 
(prē′rĕj-ĭ-strāshən)
(prē′rĕj-ĭ-strāshən)n.
An early registration, as for returning college students, that takes place before general registration.
- physiology
- physiopathologic
- physiopathological
- physiopathologist
- physiopathology
- physiotherapeutic
- physiotherapist
- physiotherapy
- physiotype
- physique
- physiqued
- physostigmin
- physostigmine
- phyt-
- phytate
- -phyte
- phytic acid
- phyto-
- phytochemical
- phytochemically
- phytochemist
- phytochemistry
- phytochrome
- phytoestrogen
- phytogenesis