How to Pronounce "phi"
word
ˈfaɪ
FYE
fˈaɪ
FYE
Definition
'Phi' is the name of the Greek letter φ, often used in mathematics and science to represent the golden ratio (approximately 1.618). It is also used as a symbol in physics and engineering.
IPA Transcription
American English
ˈfaɪ
British English
fˈaɪ
Simplified Pronunciation
US
FYE
UK
FYE
Listen in Context
The Greek letter phi is often used in mathematics.
Phi represents the golden ratio, about 1.618.
Engineers use phi as a symbol for angles.
If you study architecture, you'll learn how phi shapes beautiful buildings.