"constant" - key terms from Wikipedia

acid dissociation constant
arbitrary constant
avogadro constant
boltzmann constant
calibration constant
constant
constant	coefficients
constant	current
constant	frequency
constant	gardener
constant	linear velocity
constant	motion
constant	of integration
constant	of proportionality
constant	pressure
constant	returns to scale
constant	speed
constant	stress
constant	temperature
constant	term
constant	terms
constant	velocity
constant	volume
cosmological constant
coupling constant
decay constant
dielectric constant
dissociation constant
equilibrium constant
faraday constant
fine structure constant
gas constant
gravitational constant
heat capacity at constant
ionization constant
line of constant
magic constant
man of constant	sorrow
mathematical constant
planck constant
rate constant
reduced planck constant
rydberg constant
s constant
solar constant
solubility constant
specific gas constant
spring constant
time constant
value of the planck constant