"dimensionless" - key terms from Wikipedia

denoting dimensionless	quantities
dimensionless
dimensionless	constant
dimensionless	heat
dimensionless	heat capacity
dimensionless	number
dimensionless	numbers
dimensionless	physical
dimensionless	physical constant
dimensionless	physical constants
dimensionless	product of powers
dimensionless	quantities
fixed dimensionless	number
one dimensionless
unchanging dimensionless	constant