Dictionary
Words, grammatical forms and meanings linked to the ontology.
redline en · NOUN
Pronunciation
Etymology
From red + line, originating with the frequent use of red pen or pencil to mark corrections on drawings and documents (1), and the red markings on a tachometer (2).
Meanings
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A drawing, document, etc. that has been marked for correction or modification.
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The maximum speed, temperature, pressure, etc., at which a device (such as the engine in a car, aircraft, etc.) is designed to operate.
Forms
redline en · VERB
Pronunciation
Etymology
From red + line, originating with the frequent use of red pen or pencil to mark corrections on drawings and documents (1), and the red markings on a tachometer (2).
Meanings
-
To mark a drawing or document for correction or modification.
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To operate a device at one or more redlines.
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To operate a device at one or more redlines. ▸ To run an internal combustion engine to its maximum or maximum recommended speed.
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(Canada, US, qualifier:urban studies) To deny or complicate access to services (such as banking, insurance, or healthcare) to residents in specific, often racially determined, areas.
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.
1995 September, Richard Barbrook, Andy Cameron, “The Californian Ideology”, in Mute, volume 1, number 3, →ISSN, archived from the original on 19 Oct 2021:
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To achieve audio levels that will cause clipping (indicated by red in an audio meter).
Forms
Antonyms
greenline
Coordinates
yellowline
Deriveds
redliner
Relateds
sundown town · redlining