psi
Definition
- Noun:
- The 23rd letter of the Greek alphabet (Ψ, ψ): "Psi" is the name of a letter in the Greek alphabet, used in writing the Greek language and often as a symbol in various academic fields.
- A unit of pressure: In some scientific contexts, "psi" is an abbreviation for "pounds per square inch," a unit used to measure pressure.
Usage Examples
Noun (Greek letter):
- The symbol for psychology often incorporates the Greek letter psi.
- In the equation, the variable represented by psi is key to the solution.
Noun (Unit of pressure):
- The tire pressure should be 32 psi.
- The scuba tank was filled to a pressure of 3000 psi.
Advanced Usage
- In parapsychology: The term "psi" is used as a general term for psychic phenomena or faculties, such as telepathy or clairvoyance.
- The researcher studied cases of alleged psi abilities.
Variants and Related Words
- Pounds per square inch (PSI): The full term for the unit of pressure, often abbreviated as "psi."
- Psi particle: In particle physics, a specific type of subatomic particle, such as the J/psi meson.
Synonyms
- Greek letter: There is no direct synonym for the name of the letter itself.
- Pressure unit: pounds per square inch.
Related Phrases
- Psi phenomenon: A term used in parapsychology to describe an event that appears to be psychic in nature.
- The study aimed to find evidence for psi phenomena.
Noun
-
the 23rd letter of the Greek alphabet
-
a unit of pressure
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