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Greek letters and symbols used in this Website

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link  Water properties

link  Constants


Greek Capital Small Use in this web-site
Alpha Α  


Alpha   α

Thermal expansivity (K-1)

Thermal diffusivity (m2 ˣ s-1)

Polarizability (F ˣ m2)

Evaporation coefficient

Beta Β    
Beta   β Compressibility (Pa -1 )
Gamma Γ  

Surface excess of component

Gamma   γ

Surface tension (N ˣ m-1)

Heat capacity ratio

1H gyromagnetic ratio

Delta Δ  

'the change between the start and end states'

Diffusion time

Delta   δ 'a small change in'
Epsilon Ε    
Epsilon   ε Permittivity (C2 ˣ J-1 ˣ m-1 )
Zeta Ζ    
Zeta   ζ Potential (V)
Eta Η    
Eta   η Dynamic viscosity (Pa ˣ s )
Theta Θ   Quadrupole (C ˣ m2)
Theta   θ


Contact angle

Temperature (K)

Iota Ι    
Iota   ι a type of gelling carrageenan
Kappa Κ  


Kappa   κ

Electrolytic conductivity (S ˣ m-1)

Thermal conductivity (W ˣ m-1 ˣ K-1)

a type of gelling carrageenan

Lambda Λ  


Lambda   λ

Specific conductivity (S ˣ m2 ˣ mol-1)

Wavelength (m)

Mu Μ  


Mu   μ

Field strength (V ˣ m-1), micro- (10-6), Permeability (N ˣ A-2)

Chemical potential (J ˣ mol-1 )

Dipole moment (C ˣ m)

Nu Ν    
Nu   ν Kinematic viscosity (m2 ˣ s-1)
Xi Ξ    
Xi   ξ Hydrodynamic radius (m)
Omicron Ο ο  
Pi Π   Osmotic pressure (Pa)
Pi   π

3.141 592 653 589 793 . . . .


Rho Ρ    
Rho   ρ

Mass density (kg ˣ m-3)

Resistivity (Ω ˣ m)

Sigma Σ   Summation of
Sigma   σ

Electrical conductivity (S ˣ m-1)

Standard deviation

Chemical shift

Tau Τ    
Tau   τ Relaxation time (s)
Upsilon Υ    
Upsilon   υ  
Phi Φ  


Phi   φ

Molecular force constants

Polysaccharide torsion angle H1C1OC4 or H1C1OC6


Chi Χ    
Chi   χ potential
Psi Ψ    
Psi Ψ ψ Polysaccharide torsion angle C1OC4H4 or C1OC6C5
Omega Ω  


Octupole (C ˣ m3)

Omega   ω

Angular velocity (rad ˣ s-1)

Polysaccharide torsion angle OC6C5H5



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This page was established in 2018 and last updated by Martin Chaplin on 31 July, 2018

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