英和和英

発音

• (Received 発音) IPA^(key): /ɪnkəˈmɛnʃ(ə)ɹəbəl/, /ɪnkəˈmɛnsjʊəɹəbəl/
• (General American) IPA^(key): /ɪn.kəˈmɛnt͡ʃ.ɹə.bəl/, /ɪn.kəˈmɛn(t).sə.ɹə.bəl/, /ɪn.kəˈmɛn(t).sə.ɹə.bəl/

形容詞

incommensurable (comparative more incommensurable, superlative most incommensurable)

1. (mathematics, of two real numbers) having a ratio that is not expressible as a fraction of two integers.

   The side and diagonal of a square are incommensurable with each other; the diameter and circumference of a circle are incommensurable.

2. (mathematics, of two integers) having no common integer divisor except 1.
3. Not able to be measured by the same standards as another term in the context.

使用する際の注意点

The term contrasts with unmeasurable and immeasurable in that both mean "not able to be measured at all", with the latter generally being because of some infinite quality of the thing being described.

関連する語

• incommensurate

名詞

incommensurable (複数形 incommensurables)

1. An incommensurable value or quantity; an irrational number.
   • 1946, Bertrand Russell, chapter 3, in History of Western Philosophy:

     Unfortunately for Pythagoras, his theorem led at once to the discovery of incommensurables, which appeared to disprove his whole philosophy.

Further reading

• “incommensurable”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• “incommensurable”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.
• “incommensurable”, in OneLook Dictionary Search.