Meaning of the word fi in English
What does fi mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.
fi
US /faɪ/
UK /faɪ/
Noun
the 21st letter of the Greek alphabet (Φ, φ)
Example:
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In mathematics, the symbol phi (φ) is often used to represent the golden ratio.
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The physicist used the Greek letter phi in his equation.