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

• toxically
• toxicant
• toxicants
• toxication
• toxications
• toxic bank
• toxicities
• toxicity
• toxico-
• toxicogenetics
• toxicogenic
• toxicogenomics
• toxicologic
• toxicological
• toxicologically
• toxicologies
• toxicologist
• toxicologists
• toxicology
• toxicomania
• toxicomanias
• toxicophagous
• toxicophobia
• toxicophobias
• toxic shock syndrome