u, v	Velocities in the x- and y-directions, respectively (m/s)
x, y	Coordinates
To and Tr	Temperature at the slit surface and reference temperature, respectively (K)
Bo	Magnetic field (T)
$\mathsf{\alpha }$ and b	Constants
nf	Denotes the nanofluid
${\mathsf{\rho }}_{\mathrm{nf}}$	Nanofluid density (kg/m3)
${\mathsf{\rho }}_{\mathrm{s}}$ and ${\mathsf{\rho }}_{\mathrm{f}}$	Densities of the tiny particles and host liquid, respectively (kg/m3)
${\mathsf{\mu }}_{\mathrm{nf}}$	Dynamic viscosity of the nanofluid (kg/ms)
${\mathsf{\sigma }}_{\mathrm{nf}}$	Electrical conductivity of the nanofluid (S/m)
${\mathsf{\sigma }}_{\mathrm{s}}$ and ${\mathsf{\sigma }}_{\mathrm{f}}$	Electrical conductivities of the tiny particles and host liquid, respectively (S/m)
${\left({\mathsf{\rho }\mathrm{C}}_{\mathrm{p}}\right)}_{\mathrm{nf}}$	Specific heat capacity of the nanofluid (J/kg K)
${\left({\mathrm{C}}_{\mathrm{p}}\right)}_{\mathrm{f}}$, ${\left({\mathrm{C}}_{\mathrm{p}}\right)}_{\mathrm{s}}$	Specific heat capacities of the liquid and tiny particles, respectively (J/kg K)
${\mathrm{k}}_{\mathrm{nf}}$	Thermal conductivity of the nanofluid (W/m K)
${\mathrm{k}}_{\mathrm{f}}$ and ${\mathrm{k}}_{\mathrm{s}}$	Thermal conductivities of the liquid and tiny particles, respectively (W/m K)
n	Shape factor of the particles
ϕ	Volume fraction of the particles
η	Invertible variable
F(η)	Dimensionless velocity
β(η)	Dimensionless temperature
λ	Dimensionless slit thickness
φ	Stream function
Pr	Prandtl number
M	Magnetic number
S	Unsteadiness number
CFx	Dimensionless skin friction coefficient
Nux	Dimensionless Nusselt number
${ℒ}_{\mathrm{F}}$ and ${ℒ}_{\beta }$	Linear operators