Meaning & Definition of Phi in English
Phi
The 21st letter of the Greek alphabet, often used in mathematics and science.
Pronunciation:
/faɪ/Part of Speech:
nounPlural:
phisDetailed Definitions
Definition: The 21st letter of the Greek alphabet, representing the sound 'ph'.
Example Sentence: In the Greek alphabet, phi is written as φ.
Definition: A mathematical constant approximately equal to 1.618, known as the golden ratio.
Example Sentence: The ratio of the longer part to the shorter part of a line segment is phi.
Definition: Used in various fields such as physics, engineering, and finance to represent certain quantities.
Example Sentence: In the field of electromagnetism, phi is often used to denote potential.
Etymology
Origin: From Ancient Greek φῖ, from Phoenician letter 𐤐.
Synonyms
Common Phrases and Expressions
- phi phenomenon: A psychological phenomenon where images appear to flow seamlessly together when presented in succession.
- phi coefficient: A measure of association for two binary variables.
Translations
- Spanish: fi
- French: phi
- German: Phi
- Russian: фи
Related Words
- golden ratio: A mathematical ratio known for its aesthetic properties.
- phi-function: A function that counts the positive integers up to a given integer that are relatively prime to it.
Slang Meanings of phi
Meaning: Phi as a term in certain social contexts refers to someone who is highly intelligent or philosophical.
Example Sentence: He's such a phi, always pondering life's deepest questions.
Meaning: In gaming, phi can refer to a character or player who embodies wisdom or strategy.
Example Sentence: That player's moves are so calculated; he's the phi of this game.