prolusion /prə-, prō-looˈzhən or -lūˈ/

1. A preliminary performance, activity or display
2. An essay preparatory to a more solid treatise

• serials
• serial technique
• serial techniques
• serial time
• serial times
• seriate
• seriated
• seriately
• seriates
• seriatim
• seriating
• seriation
• seriations
• seric
• sericeous
• sericiculture
• sericiculturist
• sericiculturists
• sericin
• sericins
• sericite
• sericites
• sericitic
• sericitisation
• sericitisations