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The Greek Alphabet
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Physicists, mathematicians, and other scientists use the Greek alphabet because there are so many equations with so many variables, and they don't want to get the variables mixed up. So what are those Greek letters anyway? And how do you pronounce them? Here is a list below:
| The Greek Alphabet | ||||
|---|---|---|---|---|
| Name | Uppercase | Lowercase | Common Uses | |
| Uppercase |
Lowercase |
|||
| Alpha | A | a | Generic Angular Measurement Angular Acceleration Mean Temperature Coefficient of Resistivity Coefficient of Linear Expansion Fine Structure Constant Alpha Radiation (Helium Nuclei Emission) |
|
| Beta | B | b | Generic Angular Measurement Speed Parameter Sound Level Coefficient of Volume Expansion Beta Radiation (Electron Emission) |
|
| Gamma | G | g | Torque |
Generic Angular Measurement Lorentz Factor Specific Heat Ratio Gamma Radiation (High Energy Electromagnetic Emission) |
| Delta | D | d | Change in |
Partial Charge |
| Epsilon | E | e | Permittivity of Free Space Constant e0 |
|
| Zeta | Z | z | ||
| Eta | H | h | Viscosity |
|
| Theta | Q | q, J | Angular Position |
|
| Iota | I | i | ||
| Kappa | K | k | Dielectric Constant Wave Number Torsion Constant |
|
| Lambda | L | l | Wavelength Linear Charge Density Mean Free Path |
|
| Mu | M | m | Coefficient of Friction Magnetic Moment Linear Density Micro- (SI Prefix, 10-6) Permeability of Free Space Constant m0 |
|
| Nu | N | n | Frequency |
|
| Xi | X | x | ||
| Omicron | O | o | ||
| Pi | P | p | Osmotic Pressure |
Ratio of Circumfrence to Diameter in a Circle |
| Rho | R | r | Density Resistivity |
|
| Sigma | S | s, V | Summation of |
Conductivity Surface Charge Density Population Standard Deviation Stefan-Boltzmann Constant |
| Tau | T | t | Torque Time Constant Tension |
|
| Upsilon | U | u | ||
| Phi | F | f, j | Magnetic Flux Electric Flux |
Magnetic Flux Phase Angle/Difference |
| Chi | C | c | Statistical Test c2 |
|
| Psi | Y | y | Electric Flux |
Deviation Angle |
| Omega | W | w, v | Ohm (Unit of Electrical Resistance) Precession Rate |
Angular Speed Angular Frequency |
Clyde, Chetan, JimMelanie Krieger, Chhaya Taralekar