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

• chlorinating
• chlorination
• chlorinations
• chlorinator
• chlorinators
• chlorine
• chlorines
• chlorine water
• chlorinise
• chlorinised
• chlorinises
• chlorinising
• chlorinities
• chlorinity
• chlorinize
• chlorinized
• chlorinizes
• chlorinizing
• chlorite
• chlorites
• chlorite-schist
• chloritic
• chloritic marl
• chloritisation
• chloritisations