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red-line

 - 3 dictionary results

red line

–noun Ice Hockey.
a line of the color red that is parallel to and equidistant from the goal lines and divides the rink in half.

Origin:
1960–65

red⋅line

[v. red-lahyn; n. red-lahyn] verb, -lined, -lin⋅ing, noun
–verb (used with object)
1. to treat by redlining (an area or neighborhood).
2. to establish the recommended safe speed of (an airplane): The bomber is redlined at 650 miles an hour.
3. to draw a canceling red line through (an item on a list).
4. to mark or designate for cancellation, rejection, dismissal, or the like: club members redlined for unpaid dues.
5. to cause (an airplane) to be grounded.
–verb (used without object)
6. to engage in redlining.
–noun
7. Automotive.
a. the maximum rotational speed, or angular velocity, of the engine crankshaft that is considered safe: often measured in rpm.
b. a red line or boundary of a red area that delineates such a value, as on a tachometer.
Also, red-line.


Origin:
1940–45; red 1 + line 1


redliner, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Word Origin & History

redline 
"deny loans to certain neighborhoods based on ethnicity," 1973, on notion of lines drawn on maps. Used earlier in ref. to insurance company practices (1961) and in World War II military slang in ref. to a red line drawn through a soldier's name for some infraction, thus denying his pay.
Online Etymology Dictionary, © 2001 Douglas Harper
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