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

• top-up loan
• top-ups
• top whack
• toque
• toques
• toquilla
• toquillas
• tor
• Torah
• toran
• torana
• toranas
• torans
• torbanite
• torbanites
• torbernite
• torbernites
• torc
• torch
• torchbearer
• torchbearers
• torch-dance
• torch-dances
• torched
• torcher