The symbol for the Greek letter psi looks like a trident.
A letter in the Greek alphabet, often used in scientific contexts.
The tire pressure should be set to 30 psi.
A unit of pressure equal to one pound per square inch.
Many people are curious about psi and its effects.
A term used in parapsychology to refer to psychic phenomena.
The wave function is often denoted by the letter psi.
A symbol used in mathematics and physics to represent wave functions or other concepts.
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