phi /fī or fē/

1. The twenty-first letter (Φ, φ) of the Greek alphabet, orig as aspirated p (as in upheave), now pronounced as f and transliterated ph
2. As a Greek numeral φˈ = 500, ˌφ = 500000

PHI

Permanent health insurance

• whippers
• whippersnapper
• whippersnappers
• whippet
• whippeting
• whippetings
• whippets
• whippier
• whippiest
• whippiness
• whippinesses
• whipping
• whipping boy
• whipping boys
• whipping-cheer
• whipping-cheers
• whipping cream
• whipping creams
• whipping-post
• whipping-posts
• whippings
• whipping-top
• whipping-tops
• whippletree
• whippletrees