redline

(red′līn′)

noun

the maximum safe speed, power, etc. of an engine, usually indicated by a red line or mark on a gauge, as a tachometer

intransitive verb redlined, redlining

to attain the maximum safe speed, power, etc.: a car that redlines at 7,500 rpm

transitive verb redlined, redlining

to refuse to provide loans or insurance in (a neighborhood) by redlining

Related Forms:

See redline in American Heritage Dictionary 4

verb red·lined, red·lin·ing, red·lines

verb, intransitive

To refuse home mortgages or home insurance to areas or neighborhoods deemed poor financial risks.
To reach the maximum engine speed at which an engine is designed to be safely operated: The car redlined at 80 miles per hour in fourth gear.
Computer Science To mark or highlight edited text, as with a red line, to distinguish it from unedited portions of a document.

verb, transitive

To discriminate against by refusing to grant loans, mortgages, or insurance to.
To remove from operational status because of mechanical defects or the need for scheduled maintenance: redlined three fighter aircraft.
Computer Science To mark (edited text) by redlining.

noun or red line

A safety limit, as marked on a gauge.
Sports
a. The red line at the center of an ice hockey rink, running parallel to the goal lines and dividing the rink in half.
b. Either of two red lines running across an ice hockey rink near the end boards, in the center of which the goal is positioned.

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