a, b, c, d, e	Dimensional constants
η	Similarity variable
A	Temperature exponent
B	Concentration exponent
Be	Bejan number
β 0	Magnetic field strength
C	Concentration of fluid
Cf	Skin friction
cp	Specific heat
Cw	Concentration on wall
C ∞	Ambient concentration
C 0	Reference concentration
Br	Brinkman number
DB	Brownian diffusion coefficient
DT	Thermophoretic diffusion coefficient
f, g	Dimensionless velocities
$\rho c_f$	Effective heat capacity of nanoparticles
k	Thermal conductivity
K	Viscoelastic parameter
ko	Elastic parameter
K*	Mean absorption coefficient
α	Effective heat capacity of fluid
Le	Lewis number
Nb	Brownian motion parameter
Nt	Thermophoresis parameter
Nux	Nusselt number
M	Magnetic parameter
Pr	Prandtl number
Q	Heat absorption
Rd	Thermal radiation parameter
Re	Reynolds number
SG	Volumetric entropy generation
Nux	Local Nusselt number
NS	Entropy generation rate
Cfx, Cfy	Skin friction coefficients
Shx	Sherwood number
T	Temperature of fluid
Tw	Wall temperature
$U_0,V_0,T_0,C_0$	Constants
T ∞	Ambient temperature
Ue	Stretching velocity
Uw	Linear stretching velocity
(u, v, w)	Velocity components
(x, y, z)	Coordinate axes
M	Hartmann number
$\nu$	Kinematic viscosity
λ1	Relaxation time
Λ2	Ratio of relaxation to retardation time
ρ	Density of fluid
σ	Electrical conductivity
σ*	Stefan–Boltzmann constant
μ	Dynamic viscosity
τ	Ratio of nanoparticle
τw	Skin friction coefficient
Ω	Dimensionless temperature difference
ε	Dimensionless nanoparticle volume difference
Σ	Nanoparticle mass transfer parameter
θ	Dimensionless temperature
ϕ	Dimensionless concentration
α 1	Normal stress moduli
Kc	Chemical reaction coefficient
$L$	Reference length