approximateとは意味・読み方・使い方

語源

From Latin approximatus, past participle of approximare (“to approach”); ad + proximare (“to come near”). See proximate.

発音

Adjective

• (Received 発音) IPA^(key): /ə.ˈpɹɒk.sɪ.mət/
• (米国発音) IPA^(key): /ə.ˈpɹɑk.sə.mət/, /ə.ˈpɹɑk.sɪ.mət/

Verb

• (Received 発音) IPA^(key): /ə.ˈpɹɒk.sɪ.meɪt/
• (米国発音) IPA^(key): /ə.ˈpɹɑk.sə.meɪt/

形容詞

approximate (comparative more approximate, superlative most approximate)

1. Approaching; proximate; nearly resembling.
2. Nearing correctness; nearly exact; not perfectly accurate.

   approximate results or values

   NASA's Genesis spacecraft has on board an ion monitor to record the speed, density, temperature and approximate composition of the solar wind ions.

同意語

• close

反意語

• exact, precise

派生語

動詞

approximate (三人称単数 現在形 approximates, 現在分詞 approximating, 過去形および過去分詞形 approximated)

1. (transitive, intransitive) To estimate.

   I approximated the value of pi by taking 22 divided by 7.

   • 2022 January 12, Sir Michael Holden, “Reform of the workforce or death by a thousand cuts?”, in RAIL, number 948, page 22:

     As yet, we don't know what the comparable figures will be like for the current financial year which ends in March 2022, but we can have a good stab at approximating them.

2. (transitive) To come near to; to approach.
   • 1911, Sir Arthur Conan Doyle, The Disappearance of Lady Frances Carfax

     When you follow two separate chains of thought, Watson, you will find some point of intersection which should approximate to the truth.

   • 1802, Jedidiah Morse, The American Universal Geography

     The telescope approximates perfection.

3. (transitive) To carry or advance near; to cause to approach.
   • 1790 November, Edmund Burke, Reflections on the Revolution in France, and on the Proceedings in Certain Societies in London Relative to that Event. […], London: […] J[ames] Dodsley, […], OCLC 946162345:

     to approximate the inequality of riches to the level of nature