Greek Alphabet

Table of the Greek alphabet and what the letters are commonly used to designate.

Name

Capital

Small

Commonly Used to Designate

Alpha

Angles, coefficients, attenuation constant, absorption factor, area

Beta

Angles, coefficients, phase constant, luminous intensity

Gamma

Complex propagation constant (cap), specific gravity, angles, electrical conductivity, propagation constant, surface tension (small)

Delta

Increment or decrement (cap or small), determinant (cap), permittivity (cap), density, angles

Epsilon

Dielectric constant, permittivity, base of natural logarithms, electric intensity, emissivity

Zeta

Coordinates, coefficients

Eta

Intrinsic impedance, efficiency, surface charge density, hysteresis, coordinates, luminous efficiency

Theta

Angular phase displacement, time constant, reluctance, angles

Iota

Unit vector

Kappa

Susceptibility, coupling coefficient, thermal conductivity

Lambda

Permeance (cap), wavelength, attenuation constant

Permeability, amplification factor, prefix micro, refractive index

Reluctivity, frequency, wavelength

Coordinates

Omicron

3.1416

Rho

Resistivity, volume charge density, coordinates, reflection factor

Sigma

Summation (cap), surface charge density, complex propagation constant, electrical conductivity, leakage coefficient, wavelength, deviation

Tau

Time constant, volume resistivity, time-phase displacement, transmission factor, density

Upsilon

Phi

Scalar potential (cap), magnetic flux, angles

Chi

Electric susceptibility, angles

Psi

Dielectric flux, phase difference, coordinates, angles

Omega

Resistance in ohms (cap), solid angle (cap), angular velocity