redlineとは 意味・読み方・使い方

発音

• IPA: /ˈɹɛd.laɪn/
• 韻: -ɛdlaɪn

名詞

redline (plural redlines)

1. A drawing, document, etc. that has been marked for correction or modification.
2. The maximum speed, temperature, pressure, etc., at which a device (such as the engine in a car, aircraft, etc.) is designed to operate.

動詞

redline (third-person singular simple present redlines, present participle redlining, simple past and past participle redlined)

1. To mark a drawing or document for correction or modification.
2. To operate a device at one or more redlines.
   1. (automotive) To run an internal combustion engine to its maximum or maximum recommended speed.
3. (Canada, US, urban studies) To deny or complicate access to services (such as banking, insurance, or healthcare) to residents in specific, often racially determined, areas.

   Antonym: greenline

   Coordinate term: yellowline

   • 1995 September, Richard Barbrook, Andy Cameron, “The Californian Ideology”, in Mute‎, volume 1, number 3, →ISSN:

     Already ‘redlined’ by profit-hungry telcos, the inhabitants of poor inner city areas can be shut out of the new on-line services through lack of money.

4. (audio engineering) To achieve audio levels that will cause clipping (indicated by red in an audio meter).

参考

• redlining
• sundown town

Further reading

• redline on Wikipedia.Wikipedia
• redlining on Wikipedia.Wikipedia

アナグラム

• Nile red, relined

発音

名詞

red line (plural red lines)

1. (ice hockey) The thick red line on the ice which divides the rink in half.
2. (figuratively) A boundary or limit which should not be crossed.
   • 2013 May 4, Daniel Byman, “Mr. Obama, Don’t Draw That Line”, in The New York Times‎, →ISSN:

     The administration’s ultimatum now seems like cheap talk, and it illustrates the risks of carelessly drawing red lines and issuing highly public threats that won’t be enforced.

   • 2023 September 6, Christian Wolmar, “Rail strikes: little prospect of negotiations”, in RAIL, number 991, page 44:

     After a failed attempt by ministers to bounce the union into an agreement by announcing its terms (which included all sorts of union red lines such as drivers having to pay for their own training) in the media rather than over the negotiation table, there is an understandable reluctance on the part of the unions to engage in any discussions unless there are no preconditions.

   • 2024 October 28, Scott Peterson, “Israeli strikes inside Iran cross a threshold. How will Iran respond?”, in The Christian Science Monitor‎:

     “Now that the red line of overt and direct strikes on Iran’s soil has turned pink, Israel is playing to its own strength and exploiting Iran’s conventional weakness,” [Ali Vaez] adds.

参考

• blue line
• goal line (“thin red lines in front of the goals”)
• green line
• redline (verb)
• single yellow line

Further reading

• “red line”, in Collins English Dictionary.
• “red line”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
• “red line”, in Cambridge English Dictionary, Cambridge, Cambridgeshire: Cambridge University Press, 1999–present.

アナグラム

• Nile red, relined