Definition of "non-commensurable" [non-commensurable]

• Incommensurable: said of two quantities whose ratio cannot be expressed as a rational number but is irrational.

The Century Dictionary (Public Domain)

• "Multi-criteria analysis facilitates trade-offs among a variety of non-commensurable variables and objectives."
• "Thus, techniques like multi-criteria analysis may be required to facilitate trade-offs among non-commensurable variables."
• "Certainly there would remain the idea that every sentient being has a good, consisting of a range of (non-commensurable) activities that are the activation of its major natural capacities, and that each animal is entitled to pursue that good."