phi Definition and Meaning in English (phi definition)

noun
Quick Answer • Definition

Phi definition: Phi is the twenty-first letter of the Greek alphabet, represented in uppercase as Φ and in lowercase as φ.

Definitions of Phi

  1. 1noun

    Phi is the twenty-first letter of the Greek alphabet, represented in uppercase as Φ and in lowercase as φ.

  2. 2noun(formal)

    Phi also refers to the golden ratio, an irrational number approximately equal to 1.618, often symbolized by the lowercase Greek letter φ.

Example Sentences

formal

“The symbol phi is frequently used in mathematics to represent the golden ratio.”

formal

“In physics, the lowercase phi (φ) can denote a magnetic flux or a phase angle.”

Frequently Asked Questions: Phi in English

What is the meaning of Phi in English?▼
Phi definition: Phi is the twenty-first letter of the Greek alphabet, represented in uppercase as Φ and in lowercase as φ.
How do you translate 'Phi' to English?▼
'Phi' translates to 'phi' in English. Phi definition: Phi is the twenty-first letter of the Greek alphabet, represented in uppercase as Φ and in lowercase as φ.
How do you pronounce 'Phi' and 'phi'?▼
Listen to clear English audio pronunciation of 'Phi' and native English audio speech for 'phi' with bilingual sentence examples on DictBridge.

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