D defs.my
Entry 1 sense Webster, 1913

Commensurable

· Com·men·su·ra·ble · IPA
01 a. Having a common measure; capable of being exactly measured by the same number, quantity, or measure.
  1. 1.
    Having a common measure; capable of being exactly measured by the same number, quantity, or measure.
Phrases & compounds
Commensurable numbers — those that can be exactly expressed by some common unit; thus a foot and yard are commensurable, since both can be expressed in terms of an inch, one being 12 inches, the other 36 inches.
Numbers commensurable in power — those whose squares are commensurable.