xi /zī, ksī or ksē/

1. The fourteenth letter of the Greek alphabet (Ξ or ξ), corresponding to X
2. As a numeral ξˈ = 60, ˌξ = 60000

• operable
• opera bouffe
• opera buffa
• opera cloak
• opera cloaks
• opera-dancer
• opera-dancers
• plaquette
• plaquettes
• plash
• plashed
• plashes
• plashet
• plashets
• plashier
• plashiest
• plashing
• plashings
• plashy
• plasm
• plasma
• plasma cell
• plasma cells
• plasmalemma
• plasma membrane