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Com·men·su·ra·ble a. Having a common measure; capable of being exactly measured by the same number, quantity, or measure. -- Com*men*su*ra*ble*ness, n.

**Commensurable numbers** *or* **Commensurable quantities** Math., 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**, *or* **Quantities commensurable in power**, those whose squares are commensurable.

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