dimensionless

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dimensionless

 [dĭ-men´shun-les]
denoting a numerical constant or variable that has no units of measurement.
References in periodicals archive ?
A systematic evaluation of the dimensionless refrigerant properties revealed that the relative capacity index for a specified temperature lift correlates well with the dimensionless quantity [DELTA][h.
The linear correlation coefficient, as defined by Equation 6 is a dimensionless quantity.
In addition to dimensionless quantity [theta], for further analysis the dimensionless variables are introduced:
N]], called vibration impact factor, is a dimensionless quantity that represents the strength of axial vibration of screw, and [A.
the mass-to-charge ratio (m/z) is defined as a dimensionless quantity, although the physics of the accepted terminology are questionable because a quantity so defined cannot be used in equations of motion for charged particles.