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.
- paleoecology
- Paleogene
- paleogeneticist
- paleogenetics
- paleographer
- paleographic
- paleographical
- paleography
- Paleo-Indian
- paleoliberal
- paleolith
- Paleolithic
- paleomagnetism
- paleontologic
- paleontological
- paleontologist
- paleontology
- paleopedological
- paleopedology
- Paleoproterozoic
- Paleosiberian
- paleosol
- Paleozoic
- paleozoological
- paleozoologist