redline

noun
/ˈɹɛd.laɪn/

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).

  1. derived from linea
  2. derived from ligne
  3. derived from *līno-
  4. inherited from *līną
  5. inherited from *līnǭ
  6. inherited from *līnā
  7. inherited from līne
  8. inherited from line
  9. compounded as redline — “red + line

Definitions

  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…

    The maximum speed, temperature, pressure, etc., at which a device (such as the engine in a car, aircraft, etc.) is designed to operate.

  3. To mark a drawing or document for correction or modification.

  4. + 3 more definitions
    1. To operate a device at one or more redlines.

    2. To deny or complicate access to services (such as banking, insurance, or healthcare) to…

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

The neighborhood

Derived

redliner

Vish — recursive loop

No curated loop yet for redline. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA